316464523541661 has 64 divisors (see below), whose sum is σ = 508853369880576. Its totient is φ = 172573271270400.

The previous prime is 316464523541653. The next prime is 316464523541681. The reversal of 316464523541661 is 166145325464613.

It is not a de Polignac number, because 316464523541661 - 2³ = 316464523541653 is a prime.

It is a super-3 number, since 3×316464523541661³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316464523541611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17422900 + ... + 30602066.

It is an arithmetic number, because the mean of its divisors is an integer number (7950833904384).

Almost surely, 2^{316464523541661} is an apocalyptic number.

It is an amenable number.

316464523541661 is a deficient number, since it is larger than the sum of its proper divisors (192388846338915).

316464523541661 is a wasteful number, since it uses less digits than its factorization.

316464523541661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13181082.

The product of its digits is 37324800, while the sum is 57.

The spelling of 316464523541661 in words is "three hundred sixteen trillion, four hundred sixty-four billion, five hundred twenty-three million, five hundred forty-one thousand, six hundred sixty-one".