16256317163 has 2 divisors, whose sum is σ = 16256317164. Its totient is φ = 16256317162.

The previous prime is 16256317157. The next prime is 16256317213. The reversal of 16256317163 is 36171365261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16256317163 - 2⁸ = 16256316907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16256317163.

It is not a weakly prime, because it can be changed into another prime (16256317963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8128158581 + 8128158582.

It is an arithmetic number, because the mean of its divisors is an integer number (8128158582).

Almost surely, 2^16256317163 is an apocalyptic number.

16256317163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16256317163 is an equidigital number, since it uses as much as digits as its factorization.

16256317163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The spelling of 16256317163 in words is "sixteen billion, two hundred fifty-six million, three hundred seventeen thousand, one hundred sixty-three".