18320083194 has 32 divisors (see below), whose sum is σ = 41878488960. Its totient is φ = 5233807872.

The previous prime is 18320083169. The next prime is 18320083241. The reversal of 18320083194 is 49138002381.

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, 832882 + ... + 854594.

It is an arithmetic number, because the mean of its divisors is an integer number (1308702780).

Almost surely, 2^18320083194 is an apocalyptic number.

18320083194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18320083194 is an abundant number, since it is smaller than the sum of its proper divisors (23558405766).

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

18320083194 is a wasteful number, since it uses less digits than its factorization.

18320083194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41814.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 18320083194 in words is "eighteen billion, three hundred twenty million, eighty-three thousand, one hundred ninety-four".