168336928 has 12 divisors (see below), whose sum is σ = 331413390. Its totient is φ = 84168448.

The previous prime is 168336901. The next prime is 168336929. The reversal of 168336928 is 829633861.

168336928 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 only one way, i.e., 116899344 + 51437584 = 10812^2 + 7172^2 .

It is not an unprimeable number, because it can be changed into a prime (168336929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630233 + ... + 2630296.

Almost surely, 2^168336928 is an apocalyptic number.

It is an amenable number.

168336928 is a deficient number, since it is larger than the sum of its proper divisors (163076462).

168336928 is an equidigital number, since it uses as much as digits as its factorization.

168336928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260539 (or 5260531 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 168336928 is about 12974.4721665276. The cubic root of 168336928 is about 552.1534614980.

The spelling of 168336928 in words is "one hundred sixty-eight million, three hundred thirty-six thousand, nine hundred twenty-eight".