256606682 has 8 divisors (see below), whose sum is σ = 387459552. Its totient is φ = 127453500.

The previous prime is 256606673. The next prime is 256606697. The reversal of 256606682 is 286606652.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424544 + ... + 425147.

It is an arithmetic number, because the mean of its divisors is an integer number (48432444).

Almost surely, 2^256606682 is an apocalyptic number.

256606682 is a deficient number, since it is larger than the sum of its proper divisors (130852870).

256606682 is a wasteful number, since it uses less digits than its factorization.

256606682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849844.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 256606682 is about 16018.9475933970. The cubic root of 256606682 is about 635.4616123941.

The spelling of 256606682 in words is "two hundred fifty-six million, six hundred six thousand, six hundred eighty-two".