168196928 has 14 divisors (see below), whose sum is σ = 333765906. Its totient is φ = 84098432.

The previous prime is 168196921. The next prime is 168196939. The reversal of 168196928 is 829691861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 3125824 = 12848^2 + 1768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168196921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313975 + ... + 1314102.

Almost surely, 2^168196928 is an apocalyptic number.

It is an amenable number.

168196928 is a deficient number, since it is larger than the sum of its proper divisors (165568978).

168196928 is an equidigital number, since it uses as much as digits as its factorization.

168196928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628089 (or 2628079 counting only the distinct ones).

The product of its digits is 373248, while the sum is 50.

The square root of 168196928 is about 12969.0758344610. The cubic root of 168196928 is about 552.0003500663. Note that the first 3 decimals are identical.

The spelling of 168196928 in words is "one hundred sixty-eight million, one hundred ninety-six thousand, nine hundred twenty-eight".