256614664211 has 8 divisors (see below), whose sum is σ = 256761748320. Its totient is φ = 256467627648.

The previous prime is 256614664169. The next prime is 256614664213. The reversal of 256614664211 is 112466416652.

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

It is a cyclic number.

It is not a de Polignac number, because 256614664211 - 2¹⁴ = 256614647827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256614664213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16856075 + ... + 16871291.

It is an arithmetic number, because the mean of its divisors is an integer number (32095218540).

Almost surely, 2^256614664211 is an apocalyptic number.

256614664211 is a deficient number, since it is larger than the sum of its proper divisors (147084109).

256614664211 is a wasteful number, since it uses less digits than its factorization.

256614664211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773.

The product of its digits is 414720, while the sum is 44.

The spelling of 256614664211 in words is "two hundred fifty-six billion, six hundred fourteen million, six hundred sixty-four thousand, two hundred eleven".