668272014 has 24 divisors (see below), whose sum is σ = 1451108880. Its totient is φ = 222267168.

The previous prime is 668271983. The next prime is 668272021. The reversal of 668272014 is 410272866.

668272014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 668272014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32394 + ... + 48845.

It is an arithmetic number, because the mean of its divisors is an integer number (60462870).

Almost surely, 2^668272014 is an apocalyptic number.

668272014 is an abundant number, since it is smaller than the sum of its proper divisors (782836866).

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

668272014 is a wasteful number, since it uses less digits than its factorization.

668272014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81704 (or 81701 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 668272014 is about 25850.9576998609. The cubic root of 668272014 is about 874.2811026880.

The spelling of 668272014 in words is "six hundred sixty-eight million, two hundred seventy-two thousand, fourteen".