168928232 has 32 divisors (see below), whose sum is σ = 347764320. Its totient is φ = 76290240.

The previous prime is 168928213. The next prime is 168928237. The reversal of 168928232 is 232829861.

It is a self number, because there is not a number n which added to its sum of digits gives 168928232.

It is not an unprimeable number, because it can be changed into a prime (168928237) 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, 7703 + ... + 19929.

It is an arithmetic number, because the mean of its divisors is an integer number (10867635).

Almost surely, 2^168928232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168928232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173882160).

168928232 is an abundant number, since it is smaller than the sum of its proper divisors (178836088).

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

168928232 is a wasteful number, since it uses less digits than its factorization.

168928232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12401 (or 12397 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 168928232 is about 12997.2393991955. The cubic root of 168928232 is about 552.7992081349.

The spelling of 168928232 in words is "one hundred sixty-eight million, nine hundred twenty-eight thousand, two hundred thirty-two".