668050208318 has 8 divisors (see below), whose sum is σ = 1002085027248. Its totient is φ = 334021865904.

The previous prime is 668050208317. The next prime is 668050208417. The reversal of 668050208318 is 813802050866.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668050208311) 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, 1352471 + ... + 1779122.

It is an arithmetic number, because the mean of its divisors is an integer number (125260628406).

Almost surely, 2^668050208318 is an apocalyptic number.

668050208318 is a deficient number, since it is larger than the sum of its proper divisors (334034818930).

668050208318 is a wasteful number, since it uses less digits than its factorization.

668050208318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238258.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 668050208318 in words is "six hundred sixty-eight billion, fifty million, two hundred eight thousand, three hundred eighteen".