16876981688 has 32 divisors (see below), whose sum is σ = 36208166400. Its totient is φ = 7224351072.

The previous prime is 16876981661. The next prime is 16876981703. The reversal of 16876981688 is 88618967861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132620 + ... + 226587.

It is an arithmetic number, because the mean of its divisors is an integer number (1131505200).

Almost surely, 2^16876981688 is an apocalyptic number.

It is an amenable number.

16876981688 is an abundant number, since it is smaller than the sum of its proper divisors (19331184712).

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

16876981688 is a wasteful number, since it uses less digits than its factorization.

16876981688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360059 (or 360055 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 68.

The spelling of 16876981688 in words is "sixteen billion, eight hundred seventy-six million, nine hundred eighty-one thousand, six hundred eighty-eight".