318268028655 has 16 divisors (see below), whose sum is σ = 565809828960. Its totient is φ = 169742948544.

The previous prime is 318268028633. The next prime is 318268028669. The reversal of 318268028655 is 556820862813.

318268028655 is a `hidden beast` number, since 318 + 268 + 0 + 2 + 8 + 65 + 5 = 666.

It is not a de Polignac number, because 318268028655 - 2⁶ = 318268028591 is a prime.

It is a super-2 number, since 2×318268028655² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1178770342 + ... + 1178770611.

It is an arithmetic number, because the mean of its divisors is an integer number (35363114310).

Almost surely, 2^318268028655 is an apocalyptic number.

318268028655 is a deficient number, since it is larger than the sum of its proper divisors (247541800305).

318268028655 is a wasteful number, since it uses less digits than its factorization.

318268028655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357540967 (or 2357540961 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 318268028655 in words is "three hundred eighteen billion, two hundred sixty-eight million, twenty-eight thousand, six hundred fifty-five".