18572920922 has 16 divisors (see below), whose sum is σ = 27949428000. Its totient is φ = 9256477200.

The previous prime is 18572920909. The next prime is 18572920967. The reversal of 18572920922 is 22902927581.

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, 1314797 + ... + 1328847.

It is an arithmetic number, because the mean of its divisors is an integer number (1746839250).

Almost surely, 2^18572920922 is an apocalyptic number.

18572920922 is a deficient number, since it is larger than the sum of its proper divisors (9376507078).

18572920922 is a wasteful number, since it uses less digits than its factorization.

18572920922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 18572920922 in words is "eighteen billion, five hundred seventy-two million, nine hundred twenty thousand, nine hundred twenty-two".