6668006814 has 48 divisors (see below), whose sum is σ = 17043886080. Its totient is φ = 1843687440.

The previous prime is 6668006809. The next prime is 6668006867. The reversal of 6668006814 is 4186008666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6668006814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849654 + ... + 857465.

It is an arithmetic number, because the mean of its divisors is an integer number (355080960).

Almost surely, 2^6668006814 is an apocalyptic number.

6668006814 is an abundant number, since it is smaller than the sum of its proper divisors (10375879266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6668006814 is a wasteful number, since it uses less digits than its factorization.

6668006814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707165 (or 1707162 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 6668006814 is about 81657.8643732494. The cubic root of 6668006814 is about 1882.1981620050.

The spelling of 6668006814 in words is "six billion, six hundred sixty-eight million, six thousand, eight hundred fourteen".