165119479991697 has 24 divisors (see below), whose sum is σ = 279385836278112. Its totient is φ = 85776353241600.

The previous prime is 165119479991663. The next prime is 165119479991701. The reversal of 165119479991697 is 796199974911561.

It is not a de Polignac number, because 165119479991697 - 2¹⁸ = 165119479729553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165119479999697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51057351504 + ... + 51057354737.

It is an arithmetic number, because the mean of its divisors is an integer number (11641076511588).

Almost surely, 2^{165119479991697} is an apocalyptic number.

It is an amenable number.

165119479991697 is a deficient number, since it is larger than the sum of its proper divisors (114266356286415).

165119479991697 is a wasteful number, since it uses less digits than its factorization.

165119479991697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102114706269 (or 102114706262 counting only the distinct ones).

The product of its digits is 2083248720, while the sum is 84.

The spelling of 165119479991697 in words is "one hundred sixty-five trillion, one hundred nineteen billion, four hundred seventy-nine million, nine hundred ninety-one thousand, six hundred ninety-seven".