255315168 has 36 divisors (see below), whose sum is σ = 726053328. Its totient is φ = 85104960.

The previous prime is 255315167. The next prime is 255315187. The reversal of 255315168 is 861513552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255315167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442968 + ... + 443543.

It is an arithmetic number, because the mean of its divisors is an integer number (20168148).

Almost surely, 2^255315168 is an apocalyptic number.

It is an amenable number.

255315168 is an abundant number, since it is smaller than the sum of its proper divisors (470738160).

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

255315168 is a wasteful number, since it uses less digits than its factorization.

255315168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886527 (or 886516 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 255315168 is about 15978.5846682364. The cubic root of 255315168 is about 634.3937156522.

The spelling of 255315168 in words is "two hundred fifty-five million, three hundred fifteen thousand, one hundred sixty-eight".