6666666675 has 24 divisors (see below), whose sum is σ = 11066166720. Its totient is φ = 3541380000.

The previous prime is 6666666661. The next prime is 6666666757. The reversal of 6666666675 is 5766666666.

It is a happy number.

It is not a de Polignac number, because 6666666675 - 2⁷ = 6666666547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158245 + ... + 195894.

It is an arithmetic number, because the mean of its divisors is an integer number (461090280).

Almost surely, 2^6666666675 is an apocalyptic number.

6666666675 is a deficient number, since it is larger than the sum of its proper divisors (4399500045).

6666666675 is a wasteful number, since it uses less digits than its factorization.

6666666675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354403 (or 354398 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 60.

The square root of 6666666675 is about 81649.6581438036. The cubic root of 6666666675 is about 1882.0720585463.

Subtracting from 6666666675 its reverse (5766666666), we obtain a palindrome (900000009).

The spelling of 6666666675 in words is "six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-five".