18194832064 has 28 divisors (see below), whose sum is σ = 36260358264. Its totient is φ = 9058363904.

The previous prime is 18194832043. The next prime is 18194832101. The reversal of 18194832064 is 46023849181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595162 + ... + 624985.

Almost surely, 2^18194832064 is an apocalyptic number.

It is an amenable number.

18194832064 is a deficient number, since it is larger than the sum of its proper divisors (18065526200).

18194832064 is a wasteful number, since it uses less digits than its factorization.

18194832064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220392 (or 1220382 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 18194832064 in words is "eighteen billion, one hundred ninety-four million, eight hundred thirty-two thousand, sixty-four".