18367713684 has 48 divisors (see below), whose sum is σ = 47644172800. Its totient is φ = 6119463168.

The previous prime is 18367713677. The next prime is 18367713713. The reversal of 18367713684 is 48631776381.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 18367713684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175677 + ... + 259995.

Almost surely, 2^18367713684 is an apocalyptic number.

It is an amenable number.

18367713684 is an abundant number, since it is smaller than the sum of its proper divisors (29276459116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18367713684 is a wasteful number, since it uses less digits than its factorization.

18367713684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86349 (or 86341 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 18367713684 in words is "eighteen billion, three hundred sixty-seven million, seven hundred thirteen thousand, six hundred eighty-four".