316616678217 has 24 divisors (see below), whose sum is σ = 532530483264. Its totient is φ = 177510157344.

The previous prime is 316616678207. The next prime is 316616678227. The reversal of 316616678217 is 712876616613.

316616678217 is a `hidden beast` number, since 3 + 1 + 6 + 616 + 6 + 7 + 8 + 2 + 17 = 666.

It is an interprime number because it is at equal distance from previous prime (316616678207) and next prime (316616678227).

It is not a de Polignac number, because 316616678217 - 2⁷ = 316616678089 is a prime.

It is a super-2 number, since 2×316616678217² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316616678207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47408563 + ... + 47415240.

It is an arithmetic number, because the mean of its divisors is an integer number (22188770136).

Almost surely, 2^316616678217 is an apocalyptic number.

It is an amenable number.

316616678217 is a deficient number, since it is larger than the sum of its proper divisors (215913805047).

316616678217 is a wasteful number, since it uses less digits than its factorization.

316616678217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94823869 (or 94823866 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 316616678217 in words is "three hundred sixteen billion, six hundred sixteen million, six hundred seventy-eight thousand, two hundred seventeen".