128792605918 has 16 divisors (see below), whose sum is σ = 201309371280. Its totient is φ = 61721899456.

The previous prime is 128792605817. The next prime is 128792605927. The reversal of 128792605918 is 819506297821.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096296 + ... + 8112187.

It is an arithmetic number, because the mean of its divisors is an integer number (12581835705).

Almost surely, 2^128792605918 is an apocalyptic number.

128792605918 is a deficient number, since it is larger than the sum of its proper divisors (72516765362).

128792605918 is a wasteful number, since it uses less digits than its factorization.

128792605918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208651.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 128792605918 in words is "one hundred twenty-eight billion, seven hundred ninety-two million, six hundred five thousand, nine hundred eighteen".