6415664665141 has 2 divisors, whose sum is σ = 6415664665142. Its totient is φ = 6415664665140.

The previous prime is 6415664665031. The next prime is 6415664665169. The reversal of 6415664665141 is 1415664665146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4490033860900 + 1925630804241 = 2118970^2 + 1387671^2 .

It is a cyclic number.

It is not a de Polignac number, because 6415664665141 - 2⁷ = 6415664665013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6415664665171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207832332570 + 3207832332571.

It is an arithmetic number, because the mean of its divisors is an integer number (3207832332571).

Almost surely, 2^{6415664665141} is an apocalyptic number.

It is an amenable number.

6415664665141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6415664665141 is an equidigital number, since it uses as much as digits as its factorization.

6415664665141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 55.

The spelling of 6415664665141 in words is "six trillion, four hundred fifteen billion, six hundred sixty-four million, six hundred sixty-five thousand, one hundred forty-one".