18300852564 has 12 divisors (see below), whose sum is σ = 42701989344. Its totient is φ = 6100284184.

The previous prime is 18300852539. The next prime is 18300852571. The reversal of 18300852564 is 46525800381.

It is a tau number, because it is divible by the number of its divisors (12).

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, 762535512 + ... + 762535535.

It is an arithmetic number, because the mean of its divisors is an integer number (3558499112).

Almost surely, 2^18300852564 is an apocalyptic number.

It is an amenable number.

18300852564 is an abundant number, since it is smaller than the sum of its proper divisors (24401136780).

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

18300852564 is a wasteful number, since it uses less digits than its factorization.

18300852564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525071054 (or 1525071052 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 18300852564 in words is "eighteen billion, three hundred million, eight hundred fifty-two thousand, five hundred sixty-four".