18804051 has 12 divisors (see below), whose sum is σ = 31041712. Its totient is φ = 10745136.

The previous prime is 18804031. The next prime is 18804077. The reversal of 18804051 is 15040881.

It is not a de Polignac number, because 18804051 - 2²² = 14609747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18804031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149176 + ... + 149301.

Almost surely, 2^18804051 is an apocalyptic number.

18804051 is a deficient number, since it is larger than the sum of its proper divisors (12237661).

18804051 is a wasteful number, since it uses less digits than its factorization.

18804051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298490 (or 298487 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 18804051 is about 4336.3637993139. The cubic root of 18804051 is about 265.9196763144.

The spelling of 18804051 in words is "eighteen million, eight hundred four thousand, fifty-one".