256366706 has 8 divisors (see below), whose sum is σ = 384903900. Its totient is φ = 128065408.

The previous prime is 256366703. The next prime is 256366711. The reversal of 256366706 is 607663652.

256366706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 254689681 + 1677025 = 15959^2 + 1295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (256366703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56231 + ... + 60618.

Almost surely, 2^256366706 is an apocalyptic number.

256366706 is a deficient number, since it is larger than the sum of its proper divisors (128537194).

256366706 is a wasteful number, since it uses less digits than its factorization.

256366706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117948.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 256366706 is about 16011.4554616375. The cubic root of 256366706 is about 635.2634581646.

The spelling of 256366706 in words is "two hundred fifty-six million, three hundred sixty-six thousand, seven hundred six".