668429314 has 16 divisors (see below), whose sum is σ = 1173828096. Its totient is φ = 279482400.

The previous prime is 668429257. The next prime is 668429317. The reversal of 668429314 is 413924866.

It is a happy number.

668429314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (668429317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581682 + ... + 582829.

It is an arithmetic number, because the mean of its divisors is an integer number (73364256).

Almost surely, 2^668429314 is an apocalyptic number.

668429314 is a deficient number, since it is larger than the sum of its proper divisors (505398782).

668429314 is a wasteful number, since it uses less digits than its factorization.

668429314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164561.

The product of its digits is 248832, while the sum is 43.

The square root of 668429314 is about 25853.9999613213. Note that the first 4 decimals coincide. The cubic root of 668429314 is about 874.3496943322.

The spelling of 668429314 in words is "six hundred sixty-eight million, four hundred twenty-nine thousand, three hundred fourteen".