18508351675 has 12 divisors (see below), whose sum is σ = 25036752456. Its totient is φ = 13460619200.

The previous prime is 18508351627. The next prime is 18508351681. The reversal of 18508351675 is 57615380581.

It is not a de Polignac number, because 18508351675 - 2²¹ = 18506254523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33651274 + ... + 33651823.

It is an arithmetic number, because the mean of its divisors is an integer number (2086396038).

Almost surely, 2^18508351675 is an apocalyptic number.

18508351675 is a deficient number, since it is larger than the sum of its proper divisors (6528400781).

18508351675 is a wasteful number, since it uses less digits than its factorization.

18508351675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67303118 (or 67303113 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 18508351675 in words is "eighteen billion, five hundred eight million, three hundred fifty-one thousand, six hundred seventy-five".