18300193964 has 48 divisors (see below), whose sum is σ = 34882935360. Its totient is φ = 8350283520.

The previous prime is 18300193937. The next prime is 18300193993. The reversal of 18300193964 is 46939100381.

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, 1622657 + ... + 1633895.

It is an arithmetic number, because the mean of its divisors is an integer number (726727820).

Almost surely, 2^18300193964 is an apocalyptic number.

It is an amenable number.

18300193964 is a deficient number, since it is larger than the sum of its proper divisors (16582741396).

18300193964 is a wasteful number, since it uses less digits than its factorization.

18300193964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610 (or 11608 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 18300193964 in words is "eighteen billion, three hundred million, one hundred ninety-three thousand, nine hundred sixty-four".