668028112886 has 8 divisors (see below), whose sum is σ = 1002047968344. Its totient is φ = 334012123440.

The previous prime is 668028112769. The next prime is 668028112907. The reversal of 668028112886 is 688211820866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486920 + ... + 1254251.

It is an arithmetic number, because the mean of its divisors is an integer number (125255996043).

Almost surely, 2^668028112886 is an apocalyptic number.

668028112886 is a deficient number, since it is larger than the sum of its proper divisors (334019855458).

668028112886 is a wasteful number, since it uses less digits than its factorization.

668028112886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933006.

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 668028112886 in words is "six hundred sixty-eight billion, twenty-eight million, one hundred twelve thousand, eight hundred eighty-six".