Fatto generale: 96661 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 96661 is a boring number.
Trivia: 96661 is an uninteresting number.
Data storica: August 24th is the day in 1821 that the Treaty of Córdoba is signed in Córdoba, now in Veracruz, Mexico, concluding the Mexican War of Independence from Spain.