Fatto matematico: 97616 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 97616 is an unremarkable number.
Data storica: April 6th is the day in 46 BC that Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato (Cato the Younger) in the battle of Thapsus.