18057736764 has 36 divisors (see below), whose sum is σ = 46759265280. Its totient is φ = 5872434240.

The previous prime is 18057736759. The next prime is 18057736771. The reversal of 18057736764 is 46763775081.

18057736764 is a `hidden beast` number, since 1 + 8 + 0 + 577 + 3 + 6 + 7 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18057736764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6115644 + ... + 6118595.

It is an arithmetic number, because the mean of its divisors is an integer number (1298868480).

Almost surely, 2^18057736764 is an apocalyptic number.

It is an amenable number.

18057736764 is an abundant number, since it is smaller than the sum of its proper divisors (28701528516).

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

18057736764 is a wasteful number, since it uses less digits than its factorization.

18057736764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234290 (or 12234285 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 18057736764 in words is "eighteen billion, fifty-seven million, seven hundred thirty-six thousand, seven hundred sixty-four".