668233359297 has 24 divisors (see below), whose sum is σ = 1130020644480. Its totient is φ = 372534275520.

The previous prime is 668233359289. The next prime is 668233359301. The reversal of 668233359297 is 792953332866.

668233359297 is a `hidden beast` number, since 6 + 6 + 8 + 2 + 3 + 33 + 592 + 9 + 7 = 666.

It is not a de Polignac number, because 668233359297 - 2³ = 668233359289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (668233359697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129349597 + ... + 129354762.

It is an arithmetic number, because the mean of its divisors is an integer number (47084193520).

Almost surely, 2^668233359297 is an apocalyptic number.

It is an amenable number.

668233359297 is a deficient number, since it is larger than the sum of its proper divisors (461787285183).

668233359297 is a wasteful number, since it uses less digits than its factorization.

668233359297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258704413 (or 258704410 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 668233359297 in words is "six hundred sixty-eight billion, two hundred thirty-three million, three hundred fifty-nine thousand, two hundred ninety-seven".