18326675672 has 16 divisors (see below), whose sum is σ = 34380891240. Its totient is φ = 9158438016.

The previous prime is 18326675581. The next prime is 18326675687. The reversal of 18326675672 is 27657662381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596558 + ... + 626525.

Almost surely, 2^18326675672 is an apocalyptic number.

It is an amenable number.

18326675672 is a deficient number, since it is larger than the sum of its proper divisors (16054215568).

18326675672 is a wasteful number, since it uses less digits than its factorization.

18326675672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224962 (or 1224958 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The spelling of 18326675672 in words is "eighteen billion, three hundred twenty-six million, six hundred seventy-five thousand, six hundred seventy-two".