108681881165 has 48 divisors (see below), whose sum is σ = 156240330624. Its totient is φ = 72081778560.

The previous prime is 108681881153. The next prime is 108681881179. The reversal of 108681881165 is 561188186801.

It is not a de Polignac number, because 108681881165 - 2²⁸ = 108413445709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569552 + ... + 736038.

It is an arithmetic number, because the mean of its divisors is an integer number (3255006888).

Almost surely, 2^108681881165 is an apocalyptic number.

It is an amenable number.

108681881165 is a deficient number, since it is larger than the sum of its proper divisors (47558449459).

108681881165 is a wasteful number, since it uses less digits than its factorization.

108681881165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166610 (or 166599 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 53.

The spelling of 108681881165 in words is "one hundred eight billion, six hundred eighty-one million, eight hundred eighty-one thousand, one hundred sixty-five".