108639916672 has 32 divisors (see below), whose sum is σ = 247349812320. Its totient is φ = 46559963904.

The previous prime is 108639916663. The next prime is 108639916691. The reversal of 108639916672 is 276619936801.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60624058 + ... + 60625849.

It is an arithmetic number, because the mean of its divisors is an integer number (7729681635).

Almost surely, 2^108639916672 is an apocalyptic number.

It is an amenable number.

108639916672 is an abundant number, since it is smaller than the sum of its proper divisors (138709895648).

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

108639916672 is an equidigital number, since it uses as much as digits as its factorization.

108639916672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121249928 (or 121249916 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 108639916672 in words is "one hundred eight billion, six hundred thirty-nine million, nine hundred sixteen thousand, six hundred seventy-two".