18589877046036 has 48 divisors (see below), whose sum is σ = 48196497764800. Its totient is φ = 6196558794336.

The previous prime is 18589877046019. The next prime is 18589877046079. The reversal of 18589877046036 is 63064077898581.

18589877046036 is a `hidden beast` number, since 1 + 8 + 5 + 8 + 9 + 8 + 7 + 7 + 0 + 4 + 603 + 6 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9681111 + ... + 11441313.

Almost surely, 2^{18589877046036} is an apocalyptic number.

It is an amenable number.

18589877046036 is an abundant number, since it is smaller than the sum of its proper divisors (29606620718764).

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

18589877046036 is a wasteful number, since it uses less digits than its factorization.

18589877046036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858005 (or 1857997 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 18589877046036 in words is "eighteen trillion, five hundred eighty-nine billion, eight hundred seventy-seven million, forty-six thousand, thirty-six".