6608666867 has 8 divisors (see below), whose sum is σ = 7210073520. Its totient is φ = 6007363360.

The previous prime is 6608666833. The next prime is 6608666879. The reversal of 6608666867 is 7686668066.

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 6608666867 - 2⁸ = 6608666611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6608666807) 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, 178793 + ... + 212565.

It is an arithmetic number, because the mean of its divisors is an integer number (901259190).

Almost surely, 2^6608666867 is an apocalyptic number.

6608666867 is a deficient number, since it is larger than the sum of its proper divisors (601406653).

6608666867 is a wasteful number, since it uses less digits than its factorization.

6608666867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51573.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The square root of 6608666867 is about 81293.7074256058. The cubic root of 6608666867 is about 1876.5981625811.

The spelling of 6608666867 in words is "six billion, six hundred eight million, six hundred sixty-six thousand, eight hundred sixty-seven".