6660008039 has 8 divisors (see below), whose sum is σ = 6952095360. Its totient is φ = 6372748800.

The previous prime is 6660008027. The next prime is 6660008081. The reversal of 6660008039 is 9308000666.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6660008039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6660007993 and 6660008011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660008239) by changing a digit.

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, 1204202 + ... + 1209719.

It is an arithmetic number, because the mean of its divisors is an integer number (869011920).

Almost surely, 2^6660008039 is an apocalyptic number.

6660008039 is a deficient number, since it is larger than the sum of its proper divisors (292087321).

6660008039 is a wasteful number, since it uses less digits than its factorization.

6660008039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414041.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6660008039 is about 81608.8723056507. The cubic root of 6660008039 is about 1881.4452481774.

The spelling of 6660008039 in words is "six billion, six hundred sixty million, eight thousand, thirty-nine".