18364545572 has 12 divisors (see below), whose sum is σ = 32182657920. Its totient is φ = 9169500456.

The previous prime is 18364545547. The next prime is 18364545599. The reversal of 18364545572 is 27554546381.

It is a self number, because there is not a number n which added to its sum of digits gives 18364545572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189848 + ... + 3195599.

It is an arithmetic number, because the mean of its divisors is an integer number (2681888160).

Almost surely, 2^18364545572 is an apocalyptic number.

It is an amenable number.

18364545572 is a deficient number, since it is larger than the sum of its proper divisors (13818112348).

18364545572 is a wasteful number, since it uses less digits than its factorization.

18364545572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386170 (or 6386168 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 50.

The spelling of 18364545572 in words is "eighteen billion, three hundred sixty-four million, five hundred forty-five thousand, five hundred seventy-two".