16886831375988 has 72 divisors (see below), whose sum is σ = 48786345421632. Its totient is φ = 4824594755712.

The previous prime is 16886831375983. The next prime is 16886831376001. The reversal of 16886831375988 is 88957313868861.

16886831375988 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 6 + 8 + 3 + 13 + 7 + 598 + 8 = 666.

It is a super-2 number, since 2×16886831375988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16886831375983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4243431 + ... + 7195857.

It is an arithmetic number, because the mean of its divisors is an integer number (677588130856).

Almost surely, 2^{16886831375988} is an apocalyptic number.

16886831375988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16886831375988 is an abundant number, since it is smaller than the sum of its proper divisors (31899514045644).

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

16886831375988 is a wasteful number, since it uses less digits than its factorization.

16886831375988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975141 (or 2975136 counting only the distinct ones).

The product of its digits is 3344302080, while the sum is 81.

The spelling of 16886831375988 in words is "sixteen trillion, eight hundred eighty-six billion, eight hundred thirty-one million, three hundred seventy-five thousand, nine hundred eighty-eight".