256160784601 has 2 divisors, whose sum is σ = 256160784602. Its totient is φ = 256160784600.

The previous prime is 256160784553. The next prime is 256160784623. The reversal of 256160784601 is 106487061652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130699602576 + 125461182025 = 361524^2 + 354205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256160784601 is a prime.

It is not a weakly prime, because it can be changed into another prime (256160784001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128080392300 + 128080392301.

It is an arithmetic number, because the mean of its divisors is an integer number (128080392301).

Almost surely, 2^256160784601 is an apocalyptic number.

It is an amenable number.

256160784601 is a deficient number, since it is larger than the sum of its proper divisors (1).

256160784601 is an equidigital number, since it uses as much as digits as its factorization.

256160784601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 256160784601 in words is "two hundred fifty-six billion, one hundred sixty million, seven hundred eighty-four thousand, six hundred one".