18006368673 has 8 divisors (see below), whose sum is σ = 24022883200. Its totient is φ = 11997049968.

The previous prime is 18006368663. The next prime is 18006368701. The reversal of 18006368673 is 37686360081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18006368673 - 2⁵ = 18006368641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18006368623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793113 + ... + 1803126.

It is an arithmetic number, because the mean of its divisors is an integer number (3002860400).

Almost surely, 2^18006368673 is an apocalyptic number.

It is an amenable number.

18006368673 is a deficient number, since it is larger than the sum of its proper divisors (6016514527).

18006368673 is a wasteful number, since it uses less digits than its factorization.

18006368673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597911.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 18006368673 in words is "eighteen billion, six million, three hundred sixty-eight thousand, six hundred seventy-three".