168928832 has 14 divisors (see below), whose sum is σ = 335218278. Its totient is φ = 84464384.

The previous prime is 168928831. The next prime is 168928871. The reversal of 168928832 is 238829861.

It can be written as a sum of positive squares in only one way, i.e., 142468096 + 26460736 = 11936^2 + 5144^2 .

It is not an unprimeable number, because it can be changed into a prime (168928831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319693 + ... + 1319820.

Almost surely, 2^168928832 is an apocalyptic number.

It is an amenable number.

168928832 is a deficient number, since it is larger than the sum of its proper divisors (166289446).

168928832 is an equidigital number, since it uses as much as digits as its factorization.

168928832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639525 (or 2639515 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 168928832 is about 12997.2624809996. The cubic root of 168928832 is about 552.7998626123.

The spelling of 168928832 in words is "one hundred sixty-eight million, nine hundred twenty-eight thousand, eight hundred thirty-two".