668233359306 has 32 divisors (see below), whose sum is σ = 1487677826880. Its totient is φ = 222337232208.

The previous prime is 668233359301. The next prime is 668233359329. The reversal of 668233359306 is 603953332866.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (668233359301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11281881 + ... + 11340956.

It is an arithmetic number, because the mean of its divisors is an integer number (46489932090).

Almost surely, 2^668233359306 is an apocalyptic number.

668233359306 is an abundant number, since it is smaller than the sum of its proper divisors (819444467574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

668233359306 is a wasteful number, since it uses less digits than its factorization.

668233359306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22623395 (or 22623389 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 54.

The spelling of 668233359306 in words is "six hundred sixty-eight billion, two hundred thirty-three million, three hundred fifty-nine thousand, three hundred six".