1668335183311 has 2 divisors, whose sum is σ = 1668335183312. Its totient is φ = 1668335183310.

The previous prime is 1668335183297. The next prime is 1668335183363. The reversal of 1668335183311 is 1133815338661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1668335183311 - 2⁷ = 1668335183183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1668335103311) 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, 834167591655 + 834167591656.

It is an arithmetic number, because the mean of its divisors is an integer number (834167591656).

Almost surely, 2^{1668335183311} is an apocalyptic number.

1668335183311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1668335183311 is an equidigital number, since it uses as much as digits as its factorization.

1668335183311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The spelling of 1668335183311 in words is "one trillion, six hundred sixty-eight billion, three hundred thirty-five million, one hundred eighty-three thousand, three hundred eleven".