316616471 has 2 divisors, whose sum is σ = 316616472. Its totient is φ = 316616470.

The previous prime is 316616441. The next prime is 316616527. The reversal of 316616471 is 174616613.

It is a weak prime.

It is an emirp because it is prime and its reverse (174616613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316616471 - 2⁶ = 316616407 is a prime.

It is a super-3 number, since 3×316616471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316616411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158308235 + 158308236.

It is an arithmetic number, because the mean of its divisors is an integer number (158308236).

Almost surely, 2^316616471 is an apocalyptic number.

316616471 is a deficient number, since it is larger than the sum of its proper divisors (1).

316616471 is an equidigital number, since it uses as much as digits as its factorization.

316616471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 316616471 is about 17793.7199876810. The cubic root of 316616471 is about 681.5711012610.

The spelling of 316616471 in words is "three hundred sixteen million, six hundred sixteen thousand, four hundred seventy-one".