108158781764 has 48 divisors (see below), whose sum is σ = 207764766720. Its totient is φ = 48859297440.

The previous prime is 108158781719. The next prime is 108158781781. The reversal of 108158781764 is 467187851801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4757777 + ... + 4780455.

It is an arithmetic number, because the mean of its divisors is an integer number (4328432640).

Almost surely, 2^108158781764 is an apocalyptic number.

It is an amenable number.

108158781764 is a deficient number, since it is larger than the sum of its proper divisors (99605984956).

108158781764 is a wasteful number, since it uses less digits than its factorization.

108158781764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23360 (or 23358 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 56.

The spelling of 108158781764 in words is "one hundred eight billion, one hundred fifty-eight million, seven hundred eighty-one thousand, seven hundred sixty-four".