I'm extremely analytical, of myself and others, which scares a lot of people once they know me well. I get extremely annoyed at people who are so self-unaware that they don't realize they're hurting themselves or others, and am always surprised that, despite my lack of social abilities, I can still understand some people better than "normal" people do with enough analysis.
I remember certain things like events in my life, dreams, things involving finger memory (like the exact places of keys on a computer keyboard, piano pieces by feel even without a piano, and phone numbers based on the keypad) and dates extremely vividly, but have no memory for matching up names and faces, or remembering long lists of tasks given to me at one time. The former can impress people, but, as with the last quality, it can scare them, too. The latter annoys and offends many people.
Though I CAN restrain myself, I do have the tendency to point out problems, inconsistencies and things that bother me when talking to people, and in fact would much rather have an animated argument than talk about banal things that other people seem to enjoy. It's especially true with authority figures, not so much with peers. Not so much anymore, but this used to get me seen as being a know-it-all, combative and uncooperative.
And of course, sensory issues. Rather extreme ones. Most of the ones that get me in trouble are my noise, light and touch sensitivities. Especially when I'm not allowed any of the things that will calm me down or lessen the effects of being in pain or overloaded, this can be very problematic socially. People don't make much effort to understand usually, either.