268357656 has 64 divisors (see below), whose sum is σ = 781228800. Its totient is φ = 75224448.

The previous prime is 268357637. The next prime is 268357657. The reversal of 268357656 is 656753862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268357657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6166 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (12206700).

Almost surely, 2^268357656 is an apocalyptic number.

It is an amenable number.

268357656 is an abundant number, since it is smaller than the sum of its proper divisors (512871144).

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

268357656 is a wasteful number, since it uses less digits than its factorization.

268357656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208 (or 30204 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 268357656 is about 16381.6255603649. The cubic root of 268357656 is about 645.0172509057.

The spelling of 268357656 in words is "two hundred sixty-eight million, three hundred fifty-seven thousand, six hundred fifty-six".