165022534880 has 48 divisors (see below), whose sum is σ = 445560847200. Its totient is φ = 56579154432.

The previous prime is 165022534829. The next prime is 165022534889. The reversal of 165022534880 is 88435220561.

It is a super-2 number, since 2×165022534880² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165022534889) 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, 73669655 + ... + 73671894.

It is an arithmetic number, because the mean of its divisors is an integer number (9282517650).

Almost surely, 2^165022534880 is an apocalyptic number.

165022534880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165022534880 is an abundant number, since it is smaller than the sum of its proper divisors (280538312320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165022534880 is a wasteful number, since it uses less digits than its factorization.

165022534880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147341571 (or 147341563 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 165022534880 in words is "one hundred sixty-five billion, twenty-two million, five hundred thirty-four thousand, eight hundred eighty".