18525068264 has 8 divisors (see below), whose sum is σ = 34734503010. Its totient is φ = 9262534128.

The previous prime is 18525068251. The next prime is 18525068293. The reversal of 18525068264 is 46286052581.

It can be written as a sum of positive squares in only one way, i.e., 11153472100 + 7371596164 = 105610^2 + 85858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157816759 + ... + 1157816774.

Almost surely, 2^18525068264 is an apocalyptic number.

It is an amenable number.

18525068264 is a deficient number, since it is larger than the sum of its proper divisors (16209434746).

18525068264 is a wasteful number, since it uses less digits than its factorization.

18525068264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315633539 (or 2315633535 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 18525068264 in words is "eighteen billion, five hundred twenty-five million, sixty-eight thousand, two hundred sixty-four".