6668402014 has 16 divisors (see below), whose sum is σ = 10628430768. Its totient is φ = 3126978432.

The previous prime is 6668402009. The next prime is 6668402021. The reversal of 6668402014 is 4102048666.

It is a congruent number.

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, 336897 + ... + 356140.

It is an arithmetic number, because the mean of its divisors is an integer number (664276923).

Almost surely, 2^6668402014 is an apocalyptic number.

6668402014 is a deficient number, since it is larger than the sum of its proper divisors (3960028754).

6668402014 is a wasteful number, since it uses less digits than its factorization.

6668402014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693339.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 6668402014 is about 81660.2841900517. The cubic root of 6668402014 is about 1882.2353460311.

The spelling of 6668402014 in words is "six billion, six hundred sixty-eight million, four hundred two thousand, fourteen".