668651114 has 16 divisors (see below), whose sum is σ = 1008406176. Its totient is φ = 332521200.

The previous prime is 668651107. The next prime is 668651141. The reversal of 668651114 is 411156866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357209 + ... + 359075.

It is an arithmetic number, because the mean of its divisors is an integer number (63025386).

Almost surely, 2^668651114 is an apocalyptic number.

668651114 is a deficient number, since it is larger than the sum of its proper divisors (339755062).

668651114 is a wasteful number, since it uses less digits than its factorization.

668651114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741.

The product of its digits is 34560, while the sum is 38.

The square root of 668651114 is about 25858.2890771992. The cubic root of 668651114 is about 874.4463933208.

The spelling of 668651114 in words is "six hundred sixty-eight million, six hundred fifty-one thousand, one hundred fourteen".