general_fact: 16706 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 16706 is a boring number.
trivia: 16706 is an unremarkable number.
historical_date: September 26th is the day in 2009 that Typhoon Ketsana (2009) hit the Philippines, China, Vietnam, Cambodia, Laos and Thailand, causing 700 fatalities.