18579691022 has 16 divisors (see below), whose sum is σ = 27949818960. Its totient is φ = 9263107392.

The previous prime is 18579690989. The next prime is 18579691033. The reversal of 18579691022 is 22019697581.

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, 2252618 + ... + 2260850.

It is an arithmetic number, because the mean of its divisors is an integer number (1746863685).

Almost surely, 2^18579691022 is an apocalyptic number.

18579691022 is a deficient number, since it is larger than the sum of its proper divisors (9370127938).

18579691022 is a wasteful number, since it uses less digits than its factorization.

18579691022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 18579691022 in words is "eighteen billion, five hundred seventy-nine million, six hundred ninety-one thousand, twenty-two".