168844036 has 27 divisors (see below), whose sum is σ = 302984031. Its totient is φ = 82329984.

The previous prime is 168844033. The next prime is 168844057. The reversal of 168844036 is 630448861.

The square root of 168844036 is 12994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11492100 + 157351936 = 3390^2 + 12544^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168844036.

It is not an unprimeable number, because it can be changed into a prime (168844033) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1897080 + ... + 1897168.

Almost surely, 2^168844036 is an apocalyptic number.

168844036 is the 12994-th square number.

It is an amenable number.

168844036 is a deficient number, since it is larger than the sum of its proper divisors (134139995).

168844036 is an frugal number, since it uses more digits than its factorization.

168844036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The cubic root of 168844036 is about 552.7073521312.

The spelling of 168844036 in words is "one hundred sixty-eight million, eight hundred forty-four thousand, thirty-six".