255945168 has 60 divisors (see below), whose sum is σ = 720917028. Its totient is φ = 84764160.

The previous prime is 255945167. The next prime is 255945199. The reversal of 255945168 is 861549552.

255945168 is a `hidden beast` number, since 2 + 5 + 594 + 51 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43718544 + 212226624 = 6612^2 + 14568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255945167) 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 11 ways as a sum of consecutive naturals, for example, 16948 + ... + 28268.

Almost surely, 2^255945168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255945168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360458514).

255945168 is an abundant number, since it is smaller than the sum of its proper divisors (464971860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255945168 is a wasteful number, since it uses less digits than its factorization.

255945168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492 (or 11483 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 255945168 is about 15998.2864082376. The cubic root of 255945168 is about 634.9150840219.

The spelling of 255945168 in words is "two hundred fifty-five million, nine hundred forty-five thousand, one hundred sixty-eight".