16872818371776 has 84 divisors (see below), whose sum is σ = 48430152669600. Its totient is φ = 5616450298368.

The previous prime is 16872818371757. The next prime is 16872818371847. The reversal of 16872818371776 is 67717381827861.

16872818371776 is a `hidden beast` number, since 168 + 7 + 28 + 1 + 8 + 371 + 7 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19956571 + ... + 20784858.

Almost surely, 2^{16872818371776} is an apocalyptic number.

16872818371776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16872818371776 is an abundant number, since it is smaller than the sum of its proper divisors (31557334297824).

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

16872818371776 is a wasteful number, since it uses less digits than its factorization.

16872818371776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40742166 (or 40742153 counting only the distinct ones).

The product of its digits is 265531392, while the sum is 72.

The spelling of 16872818371776 in words is "sixteen trillion, eight hundred seventy-two billion, eight hundred eighteen million, three hundred seventy-one thousand, seven hundred seventy-six".