6668188585 has 8 divisors (see below), whose sum is σ = 8079514560. Its totient is φ = 5282758704.

The previous prime is 6668188561. The next prime is 6668188607. The reversal of 6668188585 is 5858818666.

6668188585 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6668188585 - 2¹⁵ = 6668155817 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 6473455 + ... + 6474484.

It is an arithmetic number, because the mean of its divisors is an integer number (1009939320).

Almost surely, 2^6668188585 is an apocalyptic number.

It is an amenable number.

6668188585 is a deficient number, since it is larger than the sum of its proper divisors (1411325975).

6668188585 is a wasteful number, since it uses less digits than its factorization.

6668188585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948047.

The product of its digits is 22118400, while the sum is 61.

The square root of 6668188585 is about 81658.9773693009. The cubic root of 6668188585 is about 1882.2152648636.

The spelling of 6668188585 in words is "six billion, six hundred sixty-eight million, one hundred eighty-eight thousand, five hundred eighty-five".