316448663 has 4 divisors (see below), whose sum is σ = 321636408. Its totient is φ = 311260920.

The previous prime is 316448621. The next prime is 316448681. The reversal of 316448663 is 366844613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316448663 - 2⁶ = 316448599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316448663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316448563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593781 + ... + 2593902.

It is an arithmetic number, because the mean of its divisors is an integer number (80409102).

Almost surely, 2^316448663 is an apocalyptic number.

316448663 is a deficient number, since it is larger than the sum of its proper divisors (5187745).

316448663 is an equidigital number, since it uses as much as digits as its factorization.

316448663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187744.

The product of its digits is 248832, while the sum is 41.

The square root of 316448663 is about 17789.0039912301. The cubic root of 316448663 is about 681.4506681757.

The spelling of 316448663 in words is "three hundred sixteen million, four hundred forty-eight thousand, six hundred sixty-three".