256682106 has 24 divisors (see below), whose sum is σ = 556956660. Its totient is φ = 85435776.

The previous prime is 256682081. The next prime is 256682117. The reversal of 256682106 is 601286652.

256682106 is a `hidden beast` number, since 2 + 566 + 82 + 10 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 203319081 + 53363025 = 14259^2 + 7305^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2706 + ... + 22818.

Almost surely, 2^256682106 is an apocalyptic number.

256682106 is an abundant number, since it is smaller than the sum of its proper divisors (300274554).

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

256682106 is a wasteful number, since it uses less digits than its factorization.

256682106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830 (or 20827 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 256682106 is about 16021.3016325141. The cubic root of 256682106 is about 635.5238663738.

The spelling of 256682106 in words is "two hundred fifty-six million, six hundred eighty-two thousand, one hundred six".