256294168 has 32 divisors (see below), whose sum is σ = 518535360. Its totient is φ = 118056960.

The previous prime is 256294151. The next prime is 256294187. The reversal of 256294168 is 861492652.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57873 + ... + 62143.

It is an arithmetic number, because the mean of its divisors is an integer number (16204230).

Almost surely, 2^256294168 is an apocalyptic number.

It is an amenable number.

256294168 is an abundant number, since it is smaller than the sum of its proper divisors (262241192).

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

256294168 is a wasteful number, since it uses less digits than its factorization.

256294168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867 (or 4863 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 256294168 is about 16009.1901106833. The cubic root of 256294168 is about 635.2035373735.

The spelling of 256294168 in words is "two hundred fifty-six million, two hundred ninety-four thousand, one hundred sixty-eight".