316642663 has 8 divisors (see below), whose sum is σ = 335456208. Its totient is φ = 297849984.

The previous prime is 316642609. The next prime is 316642681. The reversal of 316642663 is 366246613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316642663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316642693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34920 + ... + 43042.

It is an arithmetic number, because the mean of its divisors is an integer number (41932026).

Almost surely, 2^316642663 is an apocalyptic number.

316642663 is a deficient number, since it is larger than the sum of its proper divisors (18813545).

316642663 is a wasteful number, since it uses less digits than its factorization.

316642663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433.

The product of its digits is 93312, while the sum is 37.

The square root of 316642663 is about 17794.4559624620. The cubic root of 316642663 is about 681.5898949959.

The spelling of 316642663 in words is "three hundred sixteen million, six hundred forty-two thousand, six hundred sixty-three".