16959935872 has 32 divisors (see below), whose sum is σ = 36858954600. Its totient is φ = 7709061120.

The previous prime is 16959935869. The next prime is 16959935899. The reversal of 16959935872 is 27853995961.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 6021297 + ... + 6024112.

Almost surely, 2^16959935872 is an apocalyptic number.

It is an amenable number.

16959935872 is an abundant number, since it is smaller than the sum of its proper divisors (19899018728).

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

16959935872 is a wasteful number, since it uses less digits than its factorization.

16959935872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045434 (or 12045422 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The spelling of 16959935872 in words is "sixteen billion, nine hundred fifty-nine million, nine hundred thirty-five thousand, eight hundred seventy-two".