12256660316163 has 16 divisors (see below), whose sum is σ = 16346125247360. Its totient is φ = 8169151377024.

The previous prime is 12256660316119. The next prime is 12256660316203. The reversal of 12256660316163 is 36161306665221.

It is not a de Polignac number, because 12256660316163 - 2⁹ = 12256660315651 is a prime.

It is a super-2 number, since 2×12256660316163² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256660311163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313137648 + ... + 313176786.

It is an arithmetic number, because the mean of its divisors is an integer number (1021632827960).

Almost surely, 2^{12256660316163} is an apocalyptic number.

12256660316163 is a deficient number, since it is larger than the sum of its proper divisors (4089464931197).

12256660316163 is a wasteful number, since it uses less digits than its factorization.

12256660316163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61458.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 12256660316163 in words is "twelve trillion, two hundred fifty-six billion, six hundred sixty million, three hundred sixteen thousand, one hundred sixty-three".