18573846664716 has 36 divisors (see below), whose sum is σ = 53657779254352. Its totient is φ = 5306813332704.

The previous prime is 18573846664669. The next prime is 18573846664717. The reversal of 18573846664716 is 61746664837581.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (18573846664717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36852870115 + ... + 36852870618.

Almost surely, 2^{18573846664716} is an apocalyptic number.

It is an amenable number.

18573846664716 is an abundant number, since it is smaller than the sum of its proper divisors (35083932589636).

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

18573846664716 is a wasteful number, since it uses less digits than its factorization.

18573846664716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73705740750 (or 73705740745 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 18573846664716 in words is "eighteen trillion, five hundred seventy-three billion, eight hundred forty-six million, six hundred sixty-four thousand, seven hundred sixteen".