16890975952 has 40 divisors (see below), whose sum is σ = 34354586880. Its totient is φ = 8034512640.

The previous prime is 16890975887. The next prime is 16890975953. The reversal of 16890975952 is 25957909861.

It is a super-2 number, since 2×16890975952² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890975953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259333 + ... + 317860.

It is an arithmetic number, because the mean of its divisors is an integer number (858864672).

Almost surely, 2^16890975952 is an apocalyptic number.

It is an amenable number.

16890975952 is an abundant number, since it is smaller than the sum of its proper divisors (17463610928).

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

16890975952 is a wasteful number, since it uses less digits than its factorization.

16890975952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577291 (or 577285 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 61.

The spelling of 16890975952 in words is "sixteen billion, eight hundred ninety million, nine hundred seventy-five thousand, nine hundred fifty-two".