18055376964 has 36 divisors (see below), whose sum is σ = 46282803840. Its totient is φ = 5933691120.

The previous prime is 18055376951. The next prime is 18055377047. The reversal of 18055376964 is 46967355081.

18055376964 is a `hidden beast` number, since 1 + 80 + 553 + 7 + 6 + 9 + 6 + 4 = 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 18055376964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3529404 + ... + 3534515.

It is an arithmetic number, because the mean of its divisors is an integer number (1285633440).

Almost surely, 2^18055376964 is an apocalyptic number.

It is an amenable number.

18055376964 is an abundant number, since it is smaller than the sum of its proper divisors (28227426876).

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

18055376964 is a wasteful number, since it uses less digits than its factorization.

18055376964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064000 (or 7063995 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 18055376964 in words is "eighteen billion, fifty-five million, three hundred seventy-six thousand, nine hundred sixty-four".