6660070717 has 2 divisors, whose sum is σ = 6660070718. Its totient is φ = 6660070716.

The previous prime is 6660070687. The next prime is 6660070793. The reversal of 6660070717 is 7170700666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5227145401 + 1432925316 = 72299^2 + 37854^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660070717 - 2³¹ = 4512587069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6660070717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6660070117) 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 as a sum of consecutive naturals, namely, 3330035358 + 3330035359.

It is an arithmetic number, because the mean of its divisors is an integer number (3330035359).

Almost surely, 2^6660070717 is an apocalyptic number.

It is an amenable number.

6660070717 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660070717 is an equidigital number, since it uses as much as digits as its factorization.

6660070717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 6660070717 is about 81609.2563193661. The cubic root of 6660070717 is about 1881.4511503152.

The spelling of 6660070717 in words is "six billion, six hundred sixty million, seventy thousand, seven hundred seventeen".