16680512892 has 12 divisors (see below), whose sum is σ = 38921196776. Its totient is φ = 5560170960.

The previous prime is 16680512879. The next prime is 16680512909. The reversal of 16680512892 is 29821508661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695021359 + ... + 695021382.

Almost surely, 2^16680512892 is an apocalyptic number.

16680512892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16680512892 is an abundant number, since it is smaller than the sum of its proper divisors (22240683884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16680512892 is a wasteful number, since it uses less digits than its factorization.

16680512892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390042748 (or 1390042746 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 16680512892 in words is "sixteen billion, six hundred eighty million, five hundred twelve thousand, eight hundred ninety-two".