316668 has 24 divisors (see below), whose sum is σ = 806400. Its totient is φ = 95920.

The previous prime is 316663. The next prime is 316681. The reversal of 316668 is 866613.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316661) by changing a digit.

316668 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 1068 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2³¹⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

316668 is an abundant number, since it is smaller than the sum of its proper divisors (489732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316668 is a wasteful number, since it uses less digits than its factorization.

316668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 316668 is about 562.7326185676. The cubic root of 316668 is about 68.1608074250.

Subtracting 316668 from its reverse (866613), we obtain a palindrome (549945).

The spelling of 316668 in words is "three hundred sixteen thousand, six hundred sixty-eight".