165323697 has 24 divisors (see below), whose sum is σ = 279734112. Its totient is φ = 85881600.

The previous prime is 165323689. The next prime is 165323707. The reversal of 165323697 is 796323561.

It is not a de Polignac number, because 165323697 - 2³ = 165323689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165323687) 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, 49504 + ... + 52737.

It is an arithmetic number, because the mean of its divisors is an integer number (11655588).

Almost surely, 2^165323697 is an apocalyptic number.

It is an amenable number.

165323697 is a deficient number, since it is larger than the sum of its proper divisors (114410415).

165323697 is a wasteful number, since it uses less digits than its factorization.

165323697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102269 (or 102262 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 165323697 is about 12857.8262937403. The cubic root of 165323697 is about 548.8390907356.

The spelling of 165323697 in words is "one hundred sixty-five million, three hundred twenty-three thousand, six hundred ninety-seven".