108640618790 has 128 divisors (see below), whose sum is σ = 228144107520. Its totient is φ = 36875520000.

The previous prime is 108640618789. The next prime is 108640618843. The reversal of 108640618790 is 97816046801.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12438725 + ... + 12447455.

It is an arithmetic number, because the mean of its divisors is an integer number (1782375840).

Almost surely, 2^108640618790 is an apocalyptic number.

108640618790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108640618790 is an abundant number, since it is smaller than the sum of its proper divisors (119503488730).

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

108640618790 is a wasteful number, since it uses less digits than its factorization.

108640618790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 108640618790 in words is "one hundred eight billion, six hundred forty million, six hundred eighteen thousand, seven hundred ninety".