168324134928 has 80 divisors (see below), whose sum is σ = 453911144256. Its totient is φ = 53696632320.

The previous prime is 168324134921. The next prime is 168324134983. The reversal of 168324134928 is 829431423861.

It is not an unprimeable number, because it can be changed into a prime (168324134921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668526 + ... + 885197.

Almost surely, 2^168324134928 is an apocalyptic number.

It is an amenable number.

168324134928 is an abundant number, since it is smaller than the sum of its proper divisors (285587009328).

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

168324134928 is a wasteful number, since it uses less digits than its factorization.

168324134928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553832 (or 1553826 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The spelling of 168324134928 in words is "one hundred sixty-eight billion, three hundred twenty-four million, one hundred thirty-four thousand, nine hundred twenty-eight".