18073871264 has 48 divisors (see below), whose sum is σ = 35724528000. Its totient is φ = 9001062144.

The previous prime is 18073871261. The next prime is 18073871329. The reversal of 18073871264 is 46217837081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18073871261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12918437 + ... + 12919835.

It is an arithmetic number, because the mean of its divisors is an integer number (744261000).

Almost surely, 2^18073871264 is an apocalyptic number.

It is an amenable number.

18073871264 is a deficient number, since it is larger than the sum of its proper divisors (17650656736).

18073871264 is a wasteful number, since it uses less digits than its factorization.

18073871264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 18073871264 in words is "eighteen billion, seventy-three million, eight hundred seventy-one thousand, two hundred sixty-four".