18360517008 has 40 divisors (see below), whose sum is σ = 48588202656. Its totient is φ = 5970899200.

The previous prime is 18360517003. The next prime is 18360517009. The reversal of 18360517008 is 80071506381.

It is not an unprimeable number, because it can be changed into a prime (18360517003) 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, 4662798 + ... + 4666733.

Almost surely, 2^18360517008 is an apocalyptic number.

It is an amenable number.

18360517008 is an abundant number, since it is smaller than the sum of its proper divisors (30227685648).

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

18360517008 is a wasteful number, since it uses less digits than its factorization.

18360517008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329583 (or 9329577 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 18360517008 in words is "eighteen billion, three hundred sixty million, five hundred seventeen thousand, eight".