18386070624 has 72 divisors (see below), whose sum is σ = 53397882720. Its totient is φ = 5998288128.

The previous prime is 18386070587. The next prime is 18386070649. The reversal of 18386070624 is 42607068381.

18386070624 is a `hidden beast` number, since 1 + 8 + 38 + 607 + 0 + 6 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18386070624.

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, 665619 + ... + 692690.

It is an arithmetic number, because the mean of its divisors is an integer number (741637260).

Almost surely, 2^18386070624 is an apocalyptic number.

It is an amenable number.

18386070624 is an abundant number, since it is smaller than the sum of its proper divisors (35011812096).

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

18386070624 is a wasteful number, since it uses less digits than its factorization.

18386070624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358372 (or 1358361 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 18386070624 in words is "eighteen billion, three hundred eighty-six million, seventy thousand, six hundred twenty-four".