316661171437471 has 12 divisors (see below), whose sum is σ = 369690777485688. Its totient is φ = 270443991685392.

The previous prime is 316661171437469. The next prime is 316661171437477. The reversal of 316661171437471 is 174734171166613.

It is a happy number.

It is not a de Polignac number, because 316661171437471 - 2¹ = 316661171437469 is a prime.

It is a super-3 number, since 3×316661171437471³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316661171437477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11665099941 + ... + 11665127086.

It is an arithmetic number, because the mean of its divisors is an integer number (30807564790474).

Almost surely, 2^{316661171437471} is an apocalyptic number.

316661171437471 is a deficient number, since it is larger than the sum of its proper divisors (53029606048217).

316661171437471 is a wasteful number, since it uses less digits than its factorization.

316661171437471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330227318 (or 23330227311 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 58.

The spelling of 316661171437471 in words is "three hundred sixteen trillion, six hundred sixty-one billion, one hundred seventy-one million, four hundred thirty-seven thousand, four hundred seventy-one".