18597916113 has 8 divisors (see below), whose sum is σ = 28339681728. Its totient is φ = 10627380624.

The previous prime is 18597916093. The next prime is 18597916123. The reversal of 18597916113 is 31161979581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18597916113 - 2⁶ = 18597916049 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18597916123) 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, 442807506 + ... + 442807547.

It is an arithmetic number, because the mean of its divisors is an integer number (3542460216).

Almost surely, 2^18597916113 is an apocalyptic number.

It is an amenable number.

18597916113 is a deficient number, since it is larger than the sum of its proper divisors (9741765615).

18597916113 is an equidigital number, since it uses as much as digits as its factorization.

18597916113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885615063.

The product of its digits is 408240, while the sum is 51.

The spelling of 18597916113 in words is "eighteen billion, five hundred ninety-seven million, nine hundred sixteen thousand, one hundred thirteen".