18316026897 has 8 divisors (see below), whose sum is σ = 27910136256. Its totient is φ = 10466301072.

The previous prime is 18316026893. The next prime is 18316026907. The reversal of 18316026897 is 79862061381.

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

It is not a de Polignac number, because 18316026897 - 2² = 18316026893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18316026893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436095858 + ... + 436095899.

It is an arithmetic number, because the mean of its divisors is an integer number (3488767032).

Almost surely, 2^18316026897 is an apocalyptic number.

It is an amenable number.

18316026897 is a deficient number, since it is larger than the sum of its proper divisors (9594109359).

18316026897 is an equidigital number, since it uses as much as digits as its factorization.

18316026897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872191767.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 18316026897 in words is "eighteen billion, three hundred sixteen million, twenty-six thousand, eight hundred ninety-seven".