18676013056 has 24 divisors (see below), whose sum is σ = 37342911060. Its totient is φ = 9338005504.

The previous prime is 18676013053. The next prime is 18676013063. The reversal of 18676013056 is 65031067681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18676013053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4557526 + ... + 4561621.

Almost surely, 2^18676013056 is an apocalyptic number.

18676013056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18676013056 is a deficient number, since it is larger than the sum of its proper divisors (18666898004).

18676013056 is an frugal number, since it uses more digits than its factorization.

18676013056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119169 (or 9119149 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 18676013056 in words is "eighteen billion, six hundred seventy-six million, thirteen thousand, fifty-six".