6662116193 has 2 divisors, whose sum is σ = 6662116194. Its totient is φ = 6662116192.

The previous prime is 6662116189. The next prime is 6662116211. The reversal of 6662116193 is 3916112666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5313243664 + 1348872529 = 72892^2 + 36727^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662116193 - 2² = 6662116189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6662116193.

It is not a weakly prime, because it can be changed into another prime (6662116133) 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 as a sum of consecutive naturals, namely, 3331058096 + 3331058097.

It is an arithmetic number, because the mean of its divisors is an integer number (3331058097).

Almost surely, 2^6662116193 is an apocalyptic number.

It is an amenable number.

6662116193 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662116193 is an equidigital number, since it uses as much as digits as its factorization.

6662116193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 6662116193 is about 81621.7874896158. The cubic root of 6662116193 is about 1881.6437443289.

The spelling of 6662116193 in words is "six billion, six hundred sixty-two million, one hundred sixteen thousand, one hundred ninety-three".