168389579332 has 24 divisors (see below), whose sum is σ = 318478977432. Its totient is φ = 77441683200.

The previous prime is 168389579321. The next prime is 168389579333. The reversal of 168389579332 is 233975983861.

168389579332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2727555076 + 165662024256 = 52226^2 + 407016^2 .

It is not an unprimeable number, because it can be changed into a prime (168389579333) 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, 5747419 + ... + 5776642.

It is an arithmetic number, because the mean of its divisors is an integer number (13269957393).

Almost surely, 2^168389579332 is an apocalyptic number.

It is an amenable number.

168389579332 is a deficient number, since it is larger than the sum of its proper divisors (150089398100).

168389579332 is a wasteful number, since it uses less digits than its factorization.

168389579332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524359 (or 11524357 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 64.

The spelling of 168389579332 in words is "one hundred sixty-eight billion, three hundred eighty-nine million, five hundred seventy-nine thousand, three hundred thirty-two".