316322261166191 has 4 divisors (see below), whose sum is σ = 361511155618512. Its totient is φ = 271133366713872.

The previous prime is 316322261166181. The next prime is 316322261166209. The reversal of 316322261166191 is 191661162223613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316322261166191 - 2¹⁸ = 316322260904047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316322261166101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22594447226150 + ... + 22594447226163.

It is an arithmetic number, because the mean of its divisors is an integer number (90377788904628).

Almost surely, 2^{316322261166191} is an apocalyptic number.

316322261166191 is a deficient number, since it is larger than the sum of its proper divisors (45188894452321).

316322261166191 is an equidigital number, since it uses as much as digits as its factorization.

316322261166191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45188894452320.

The product of its digits is 839808, while the sum is 50.

The spelling of 316322261166191 in words is "three hundred sixteen trillion, three hundred twenty-two billion, two hundred sixty-one million, one hundred sixty-six thousand, one hundred ninety-one".