18326310165097 has 16 divisors (see below), whose sum is σ = 20024231657472. Its totient is φ = 16633706789520.

The previous prime is 18326310165089. The next prime is 18326310165101. The reversal of 18326310165097 is 79056101362381.

It is a cyclic number.

It is not a de Polignac number, because 18326310165097 - 2³ = 18326310165089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18326310165067) 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, 178492858 + ... + 178595500.

It is an arithmetic number, because the mean of its divisors is an integer number (1251514478592).

Almost surely, 2^{18326310165097} is an apocalyptic number.

It is an amenable number.

18326310165097 is a deficient number, since it is larger than the sum of its proper divisors (1697921492375).

18326310165097 is a wasteful number, since it uses less digits than its factorization.

18326310165097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128388.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 18326310165097 in words is "eighteen trillion, three hundred twenty-six billion, three hundred ten million, one hundred sixty-five thousand, ninety-seven".