18801018804 has 12 divisors (see below), whose sum is σ = 43869043904. Its totient is φ = 6267006264.

The previous prime is 18801018773. The next prime is 18801018829. The reversal of 18801018804 is 40881010881.

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, 783375772 + ... + 783375795.

Almost surely, 2^18801018804 is an apocalyptic number.

It is an amenable number.

18801018804 is an abundant number, since it is smaller than the sum of its proper divisors (25068025100).

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

18801018804 is a wasteful number, since it uses less digits than its factorization.

18801018804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566751574 (or 1566751572 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 39.

The spelling of 18801018804 in words is "eighteen billion, eight hundred one million, eighteen thousand, eight hundred four".