108690536172 has 24 divisors (see below), whose sum is σ = 256073499136. Its totient is φ = 35878429008.

The previous prime is 108690536161. The next prime is 108690536173. The reversal of 108690536172 is 271635096801.

It is not an unprimeable number, because it can be changed into a prime (108690536173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43967428 + ... + 43969899.

Almost surely, 2^108690536172 is an apocalyptic number.

108690536172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108690536172 is an abundant number, since it is smaller than the sum of its proper divisors (147382962964).

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

108690536172 is a wasteful number, since it uses less digits than its factorization.

108690536172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87937437 (or 87937435 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 108690536172 in words is "one hundred eight billion, six hundred ninety million, five hundred thirty-six thousand, one hundred seventy-two".