Fait général: 16189 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 16189 is an unremarkable number.
Culture générale: 16189 is an uninteresting number.
Date historique: April 27th is the day in 1961 that Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.