68155256 has 32 divisors (see below), whose sum is σ = 143609760. Its totient is φ = 30087552.

The previous prime is 68155237. The next prime is 68155271. The reversal of 68155256 is 65255186.

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, 11855 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (4487805).

Almost surely, 2^68155256 is an apocalyptic number.

It is an amenable number.

68155256 is an abundant number, since it is smaller than the sum of its proper divisors (75454504).

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

68155256 is a wasteful number, since it uses less digits than its factorization.

68155256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28535 (or 28531 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 68155256 is about 8255.6196617819. The cubic root of 68155256 is about 408.4759120404.

The spelling of 68155256 in words is "sixty-eight million, one hundred fifty-five thousand, two hundred fifty-six".