165975082059 has 8 divisors (see below), whose sum is σ = 221784356560. Its totient is φ = 110407931136.

The previous prime is 165975082051. The next prime is 165975082061. The reversal of 165975082059 is 950280579561.

It is a happy number.

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

It is not a de Polignac number, because 165975082059 - 2³ = 165975082051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165975082051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60529294 + ... + 60532035.

It is an arithmetic number, because the mean of its divisors is an integer number (27723044570).

Almost surely, 2^165975082059 is an apocalyptic number.

165975082059 is a deficient number, since it is larger than the sum of its proper divisors (55809274501).

165975082059 is a wasteful number, since it uses less digits than its factorization.

165975082059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121061789.

The product of its (nonzero) digits is 6804000, while the sum is 57.

The spelling of 165975082059 in words is "one hundred sixty-five billion, nine hundred seventy-five million, eighty-two thousand, fifty-nine".