316671668 has 6 divisors (see below), whose sum is σ = 554175426. Its totient is φ = 158335832.

The previous prime is 316671587. The next prime is 316671683. The reversal of 316671668 is 866176613.

It can be written as a sum of positive squares in only one way, i.e., 169728784 + 146942884 = 13028^2 + 12122^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39583955 + ... + 39583962.

It is an arithmetic number, because the mean of its divisors is an integer number (92362571).

Almost surely, 2^316671668 is an apocalyptic number.

It is an amenable number.

316671668 is a deficient number, since it is larger than the sum of its proper divisors (237503758).

316671668 is a wasteful number, since it uses less digits than its factorization.

316671668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79167921 (or 79167919 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 316671668 is about 17795.2709448325. The cubic root of 316671668 is about 681.6107059537.

The spelling of 316671668 in words is "three hundred sixteen million, six hundred seventy-one thousand, six hundred sixty-eight".