6668133999 has 8 divisors (see below), whose sum is σ = 9358784640. Its totient is φ = 4211453016.

The previous prime is 6668133947. The next prime is 6668134027. The reversal of 6668133999 is 9993318666.

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

It is not a de Polignac number, because 6668133999 - 2⁸ = 6668133743 is a prime.

It is a super-2 number, since 2×6668133999² = 88928022057239464002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668137999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58492347 + ... + 58492460.

It is an arithmetic number, because the mean of its divisors is an integer number (1169848080).

Almost surely, 2^6668133999 is an apocalyptic number.

6668133999 is a deficient number, since it is larger than the sum of its proper divisors (2690650641).

6668133999 is a wasteful number, since it uses less digits than its factorization.

6668133999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116984829.

The product of its digits is 11337408, while the sum is 60.

The square root of 6668133999 is about 81658.6431371475. The cubic root of 6668133999 is about 1882.2101288919.

The spelling of 6668133999 in words is "six billion, six hundred sixty-eight million, one hundred thirty-three thousand, nine hundred ninety-nine".