316166645 has 8 divisors (see below), whose sum is σ = 379753656. Its totient is φ = 252697536.

The previous prime is 316166597. The next prime is 316166657. The reversal of 316166645 is 546661613.

It can be written as a sum of positive squares in 4 ways, for example, as 56280004 + 259886641 = 7502^2 + 16121^2 .

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 316166645 - 2²⁴ = 299389429 is a prime.

It is a super-3 number, since 3×316166645³ (a number of 26 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 junction number, because it is equal to n+sod(n) for n = 316166599 and 316166608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23462 + ... + 34391.

It is an arithmetic number, because the mean of its divisors is an integer number (47469207).

Almost surely, 2^316166645 is an apocalyptic number.

It is an amenable number.

316166645 is a deficient number, since it is larger than the sum of its proper divisors (63587011).

316166645 is a wasteful number, since it uses less digits than its factorization.

316166645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58951.

The product of its digits is 77760, while the sum is 38.

The square root of 316166645 is about 17781.0754736602. The cubic root of 316166645 is about 681.2481724834.

The spelling of 316166645 in words is "three hundred sixteen million, one hundred sixty-six thousand, six hundred forty-five".