316616681471 has 4 divisors (see below), whose sum is σ = 316986130032. Its totient is φ = 316247232912.

The previous prime is 316616681417. The next prime is 316616681489. The reversal of 316616681471 is 174186616613.

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 316616681471 - 2³⁴ = 299436812287 is a prime.

It is a super-3 number, since 3×316616681471³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316616681071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184722995 + ... + 184724708.

It is an arithmetic number, because the mean of its divisors is an integer number (79246532508).

Almost surely, 2^316616681471 is an apocalyptic number.

316616681471 is a deficient number, since it is larger than the sum of its proper divisors (369448561).

316616681471 is an equidigital number, since it uses as much as digits as its factorization.

316616681471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369448560.

The product of its digits is 870912, while the sum is 50.

The spelling of 316616681471 in words is "three hundred sixteen billion, six hundred sixteen million, six hundred eighty-one thousand, four hundred seventy-one".