18336301678536 has 64 divisors (see below), whose sum is σ = 45908159745600. Its totient is φ = 6103115673600.

The previous prime is 18336301678507. The next prime is 18336301678537. The reversal of 18336301678536 is 63587610363381.

It is a self number, because there is not a number n which added to its sum of digits gives 18336301678536.

It is not an unprimeable number, because it can be changed into a prime (18336301678537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122092851 + ... + 122242941.

It is an arithmetic number, because the mean of its divisors is an integer number (717314996025).

Almost surely, 2^{18336301678536} is an apocalyptic number.

It is an amenable number.

18336301678536 is an abundant number, since it is smaller than the sum of its proper divisors (27571858067064).

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

18336301678536 is a wasteful number, since it uses less digits than its factorization.

18336301678536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157550 (or 157546 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 18336301678536 in words is "eighteen trillion, three hundred thirty-six billion, three hundred one million, six hundred seventy-eight thousand, five hundred thirty-six".