18300557196 has 36 divisors (see below), whose sum is σ = 47132572032. Its totient is φ = 5985087264.

The previous prime is 18300557189. The next prime is 18300557207. The reversal of 18300557196 is 69175500381.

It is a happy number.

18300557196 is a `hidden beast` number, since 1 + 8 + 3 + 0 + 0 + 557 + 1 + 96 = 666.

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

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, 4793836 + ... + 4797651.

It is an arithmetic number, because the mean of its divisors is an integer number (1309238112).

Almost surely, 2^18300557196 is an apocalyptic number.

It is an amenable number.

18300557196 is an abundant number, since it is smaller than the sum of its proper divisors (28832014836).

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

18300557196 is a wasteful number, since it uses less digits than its factorization.

18300557196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591550 (or 9591545 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 18300557196 in words is "eighteen billion, three hundred million, five hundred fifty-seven thousand, one hundred ninety-six".