316663 has 2 divisors, whose sum is σ = 316664. Its totient is φ = 316662.

The previous prime is 316661. The next prime is 316681. The reversal of 316663 is 366613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316663 - 2¹ = 316661 is a prime.

Together with 316661, it forms a pair of twin primes.

316663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158331 + 158332.

It is an arithmetic number, because the mean of its divisors is an integer number (158332).

2³¹⁶⁶⁶³ is an apocalyptic number.

316663 is a deficient number, since it is larger than the sum of its proper divisors (1).

316663 is an equidigital number, since it uses as much as digits as its factorization.

316663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 316663 is about 562.7281759429. The cubic root of 316663 is about 68.1604486836.

It can be divided in two parts, 316 and 663, that added together give a palindrome (979).

The spelling of 316663 in words is "three hundred sixteen thousand, six hundred sixty-three".