108987925664 has 24 divisors (see below), whose sum is σ = 214825776480. Its totient is φ = 54428998336.

The previous prime is 108987925601. The next prime is 108987925679. The reversal of 108987925664 is 466529789801.

It is a self number, because there is not a number n which added to its sum of digits gives 108987925664.

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, 2002874 + ... + 2056569.

It is an arithmetic number, because the mean of its divisors is an integer number (8951074020).

Almost surely, 2^108987925664 is an apocalyptic number.

It is an amenable number.

108987925664 is a deficient number, since it is larger than the sum of its proper divisors (105837850816).

108987925664 is an equidigital number, since it uses as much as digits as its factorization.

108987925664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060292 (or 4060284 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 108987925664 in words is "one hundred eight billion, nine hundred eighty-seven million, nine hundred twenty-five thousand, six hundred sixty-four".