18552876864 has 28 divisors (see below), whose sum is σ = 49087820544. Its totient is φ = 6184292224.

The previous prime is 18552876851. The next prime is 18552876941. The reversal of 18552876864 is 46867825581.

It is a junction number, because it is equal to n+sod(n) for n = 18552876798 and 18552876807.

It is a congruent number.

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, 48314592 + ... + 48314975.

It is an arithmetic number, because the mean of its divisors is an integer number (1753136448).

Almost surely, 2^18552876864 is an apocalyptic number.

It is an amenable number.

18552876864 is an abundant number, since it is smaller than the sum of its proper divisors (30534943680).

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

18552876864 is an equidigital number, since it uses as much as digits as its factorization.

18552876864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96629582 (or 96629572 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 60.

The spelling of 18552876864 in words is "eighteen billion, five hundred fifty-two million, eight hundred seventy-six thousand, eight hundred sixty-four".