316716661 has 8 divisors (see below), whose sum is σ = 324070560. Its totient is φ = 309429072.

The previous prime is 316716637. The next prime is 316716689. The reversal of 316716661 is 166617613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316716661 - 2¹⁵ = 316683893 is a prime.

It is a super-3 number, since 3×316716661³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316716661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316716461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6850 + ... + 26083.

It is an arithmetic number, because the mean of its divisors is an integer number (40508820).

Almost surely, 2^316716661 is an apocalyptic number.

It is an amenable number.

316716661 is a deficient number, since it is larger than the sum of its proper divisors (7353899).

316716661 is a wasteful number, since it uses less digits than its factorization.

316716661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33155.

The product of its digits is 27216, while the sum is 37.

The square root of 316716661 is about 17796.5350841112. The cubic root of 316716661 is about 681.6429857156.

The spelling of 316716661 in words is "three hundred sixteen million, seven hundred sixteen thousand, six hundred sixty-one".