16957659688 has 16 divisors (see below), whose sum is σ = 31885689780. Its totient is φ = 8454809088.

The previous prime is 16957659671. The next prime is 16957659731. The reversal of 16957659688 is 88695675961.

It can be written as a sum of positive squares in 2 ways, for example, as 16951519204 + 6140484 = 130198^2 + 2478^2 .

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, 2999595 + ... + 3005242.

Almost surely, 2^16957659688 is an apocalyptic number.

It is an amenable number.

16957659688 is a deficient number, since it is larger than the sum of its proper divisors (14928030092).

16957659688 is a wasteful number, since it uses less digits than its factorization.

16957659688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005196 (or 6005192 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 70.

The spelling of 16957659688 in words is "sixteen billion, nine hundred fifty-seven million, six hundred fifty-nine thousand, six hundred eighty-eight".