18716875017 has 16 divisors (see below), whose sum is σ = 25110070848. Its totient is φ = 12400856000.

The previous prime is 18716874997. The next prime is 18716875043. The reversal of 18716875017 is 71057861781.

It is a cyclic number.

It is not a de Polignac number, because 18716875017 - 2²² = 18712680713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18716875097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681723 + ... + 1692815.

It is an arithmetic number, because the mean of its divisors is an integer number (1569379428).

Almost surely, 2^18716875017 is an apocalyptic number.

It is an amenable number.

18716875017 is a deficient number, since it is larger than the sum of its proper divisors (6393195831).

18716875017 is a wasteful number, since it uses less digits than its factorization.

18716875017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520.

The product of its (nonzero) digits is 658560, while the sum is 51.

The spelling of 18716875017 in words is "eighteen billion, seven hundred sixteen million, eight hundred seventy-five thousand, seventeen".