6668648366 has 8 divisors (see below), whose sum is σ = 10003341504. Its totient is φ = 3334201200.

The previous prime is 6668648351. The next prime is 6668648369. The reversal of 6668648366 is 6638468666.

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 (6668648369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39386 + ... + 122018.

It is an arithmetic number, because the mean of its divisors is an integer number (1250417688).

Almost surely, 2^6668648366 is an apocalyptic number.

6668648366 is a deficient number, since it is larger than the sum of its proper divisors (3334693138).

6668648366 is a wasteful number, since it uses less digits than its factorization.

6668648366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122986.

The product of its digits is 35831808, while the sum is 59.

The square root of 6668648366 is about 81661.7925715570. The cubic root of 6668648366 is about 1882.2585243344.

The spelling of 6668648366 in words is "six billion, six hundred sixty-eight million, six hundred forty-eight thousand, three hundred sixty-six".