18662000394 has 16 divisors (see below), whose sum is σ = 37325379168. Its totient is φ = 6220437072.

The previous prime is 18662000347. The next prime is 18662000411. The reversal of 18662000394 is 49300026681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226729 + ... + 297875.

It is an arithmetic number, because the mean of its divisors is an integer number (2332836198).

Almost surely, 2^18662000394 is an apocalyptic number.

18662000394 is an abundant number, since it is smaller than the sum of its proper divisors (18663378774).

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

18662000394 is a wasteful number, since it uses less digits than its factorization.

18662000394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114869.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 18662000394 in words is "eighteen billion, six hundred sixty-two million, three hundred ninety-four", and thus it is an aban number.