6666717130 has 8 divisors (see below), whose sum is σ = 12000090852. Its totient is φ = 2666686848.

The previous prime is 6666717103. The next prime is 6666717133. The reversal of 6666717130 is 317176666.

It can be written as a sum of positive squares in 2 ways, for example, as 6441507081 + 225210049 = 80259^2 + 15007^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6666717133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 333335847 + ... + 333335866.

Almost surely, 2^6666717130 is an apocalyptic number.

6666717130 is a deficient number, since it is larger than the sum of its proper divisors (5333373722).

6666717130 is a wasteful number, since it uses less digits than its factorization.

6666717130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666671720.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 6666717130 is about 81649.9671157313. The cubic root of 6666717130 is about 1882.0768065316.

The spelling of 6666717130 in words is "six billion, six hundred sixty-six million, seven hundred seventeen thousand, one hundred thirty".