Fatto generale: 16601 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 16601 is a boring number.
Trivia: 16601 is a boring number.
Data storica: June 13th is the day in 1966 that the United States Supreme Court rules in Miranda v. Arizona that the police must inform suspects of their rights before questioning them.