165532912424 has 16 divisors (see below), whose sum is σ = 338590048320. Its totient is φ = 75242232880.

The previous prime is 165532912423. The next prime is 165532912451. The reversal of 165532912424 is 424219235561.

It is a super-2 number, since 2×165532912424² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (165532912421) 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 3 ways as a sum of consecutive naturals, for example, 940527824 + ... + 940527999.

It is an arithmetic number, because the mean of its divisors is an integer number (21161878020).

Almost surely, 2^165532912424 is an apocalyptic number.

It is an amenable number.

165532912424 is an abundant number, since it is smaller than the sum of its proper divisors (173057135896).

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

165532912424 is a wasteful number, since it uses less digits than its factorization.

165532912424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881055840 (or 1881055836 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 165532912424 in words is "one hundred sixty-five billion, five hundred thirty-two million, nine hundred twelve thousand, four hundred twenty-four".