165565747565162 has 16 divisors (see below), whose sum is σ = 283828021088832. Its totient is φ = 70956492640800.

The previous prime is 165565747565161. The next prime is 165565747565167. The reversal of 165565747565162 is 261565747565561.

It is not an unprimeable number, because it can be changed into a prime (165565747565161) 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, 17319203 + ... + 25121430.

It is an arithmetic number, because the mean of its divisors is an integer number (17739251318052).

Almost surely, 2^{165565747565162} is an apocalyptic number.

165565747565162 is a deficient number, since it is larger than the sum of its proper divisors (118262273523670).

165565747565162 is a wasteful number, since it uses less digits than its factorization.

165565747565162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42719293.

The product of its digits is 1587600000, while the sum is 71.

The spelling of 165565747565162 in words is "one hundred sixty-five trillion, five hundred sixty-five billion, seven hundred forty-seven million, five hundred sixty-five thousand, one hundred sixty-two".