6607866394279 has 2 divisors, whose sum is σ = 6607866394280. Its totient is φ = 6607866394278.

The previous prime is 6607866394127. The next prime is 6607866394321. The reversal of 6607866394279 is 9724936687066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6607866394279 - 2³⁹ = 6058110580391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6607866395279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303933197139 + 3303933197140.

It is an arithmetic number, because the mean of its divisors is an integer number (3303933197140).

Almost surely, 2^{6607866394279} is an apocalyptic number.

6607866394279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6607866394279 is an equidigital number, since it uses as much as digits as its factorization.

6607866394279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987614208, while the sum is 73.

The spelling of 6607866394279 in words is "six trillion, six hundred seven billion, eight hundred sixty-six million, three hundred ninety-four thousand, two hundred seventy-nine".