256700666710 has 8 divisors (see below), whose sum is σ = 462061200096. Its totient is φ = 102680266680.

The previous prime is 256700666699. The next prime is 256700666737. The reversal of 256700666710 is 17666007652.

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

It is a congruent number.

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, 12835033326 + ... + 12835033345.

It is an arithmetic number, because the mean of its divisors is an integer number (57757650012).

Almost surely, 2^256700666710 is an apocalyptic number.

256700666710 is a deficient number, since it is larger than the sum of its proper divisors (205360533386).

256700666710 is a wasteful number, since it uses less digits than its factorization.

256700666710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25670066678.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 256700666710 in words is "two hundred fifty-six billion, seven hundred million, six hundred sixty-six thousand, seven hundred ten".