Fatto generale: 63659 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 63659 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 63659 is a boring number.
Data storica: April 16th is the day in 2001 that India and Bangladesh begin a five-day border conflict, but are unable to resolve the disputes about their border.