18903591002192 has 40 divisors (see below), whose sum is σ = 39448341144576. Its totient is φ = 8723568272256.

The previous prime is 18903591002173. The next prime is 18903591002213. The reversal of 18903591002192 is 29120019530981.

It is a self number, because there is not a number n which added to its sum of digits gives 18903591002192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4512068 + ... + 7626659.

Almost surely, 2^{18903591002192} is an apocalyptic number.

It is an amenable number.

18903591002192 is an abundant number, since it is smaller than the sum of its proper divisors (20544750142384).

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

18903591002192 is a wasteful number, since it uses less digits than its factorization.

18903591002192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146235 (or 12146229 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 18903591002192 in words is "eighteen trillion, nine hundred three billion, five hundred ninety-one million, two thousand, one hundred ninety-two".