318268028663 has 8 divisors (see below), whose sum is σ = 360789668400. Its totient is φ = 278323458048.

The previous prime is 318268028633. The next prime is 318268028669. The reversal of 318268028663 is 366820862813.

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

It is a cyclic number.

It is not a de Polignac number, because 318268028663 - 2²⁴ = 318251251447 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 (318268028669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644267018 + ... + 644267511.

It is an arithmetic number, because the mean of its divisors is an integer number (45098708550).

Almost surely, 2^318268028663 is an apocalyptic number.

318268028663 is a deficient number, since it is larger than the sum of its proper divisors (42521639737).

318268028663 is a wasteful number, since it uses less digits than its factorization.

318268028663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288534561.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 318268028663 in words is "three hundred eighteen billion, two hundred sixty-eight million, twenty-eight thousand, six hundred sixty-three".