668256114 has 8 divisors (see below), whose sum is σ = 1336512240. Its totient is φ = 222752036.

The previous prime is 668256109. The next prime is 668256137. The reversal of 668256114 is 411652866.

It is a happy number.

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

668256114 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55688004 + ... + 55688015.

It is an arithmetic number, because the mean of its divisors is an integer number (167064030).

Almost surely, 2^668256114 is an apocalyptic number.

668256114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

668256114 is a wasteful number, since it uses less digits than its factorization.

668256114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111376024.

The product of its digits is 69120, while the sum is 39.

The square root of 668256114 is about 25850.6501659049. The cubic root of 668256114 is about 874.2741687951.

The spelling of 668256114 in words is "six hundred sixty-eight million, two hundred fifty-six thousand, one hundred fourteen".