168927028 has 24 divisors (see below), whose sum is σ = 315313992. Its totient is φ = 78910464.

The previous prime is 168927023. The next prime is 168927053. The reversal of 168927028 is 820729861.

It can be written as a sum of positive squares in 4 ways, for example, as 44649124 + 124277904 = 6682^2 + 11148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168927023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 18382.

It is an arithmetic number, because the mean of its divisors is an integer number (13138083).

Almost surely, 2^168927028 is an apocalyptic number.

It is an amenable number.

168927028 is a deficient number, since it is larger than the sum of its proper divisors (146386964).

168927028 is a wasteful number, since it uses less digits than its factorization.

168927028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291 (or 18289 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 168927028 is about 12997.1930815850. The cubic root of 168927028 is about 552.7978948122.

The spelling of 168927028 in words is "one hundred sixty-eight million, nine hundred twenty-seven thousand, twenty-eight".