666716314 has 8 divisors (see below), whose sum is σ = 1090990368. Its totient is φ = 303052860.

The previous prime is 666716311. The next prime is 666716363. The reversal of 666716314 is 413617666.

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

It is not an unprimeable number, because it can be changed into a prime (666716311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15152622 + ... + 15152665.

It is an arithmetic number, because the mean of its divisors is an integer number (136373796).

Almost surely, 2^666716314 is an apocalyptic number.

666716314 is a deficient number, since it is larger than the sum of its proper divisors (424274054).

666716314 is a wasteful number, since it uses less digits than its factorization.

666716314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30305300.

The product of its digits is 108864, while the sum is 40.

The square root of 666716314 is about 25820.8503732933. The cubic root of 666716314 is about 873.6021496683.

The spelling of 666716314 in words is "six hundred sixty-six million, seven hundred sixteen thousand, three hundred fourteen".