6668492299990 has 8 divisors (see below), whose sum is σ = 12003286140000. Its totient is φ = 2667396919992.

The previous prime is 6668492299969. The next prime is 6668492299999. The reversal of 6668492299990 is 999922948666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6668492299990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668492299999) 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, 333424614990 + ... + 333424615009.

It is an arithmetic number, because the mean of its divisors is an integer number (1500410767500).

Almost surely, 2^{6668492299990} is an apocalyptic number.

6668492299990 is a deficient number, since it is larger than the sum of its proper divisors (5334793840010).

6668492299990 is a wasteful number, since it uses less digits than its factorization.

6668492299990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666849230006.

The product of its (nonzero) digits is 1632586752, while the sum is 79.

The spelling of 6668492299990 in words is "six trillion, six hundred sixty-eight billion, four hundred ninety-two million, two hundred ninety-nine thousand, nine hundred ninety".