1668335183363 has 2 divisors, whose sum is σ = 1668335183364. Its totient is φ = 1668335183362.

The previous prime is 1668335183311. The next prime is 1668335183399. The reversal of 1668335183363 is 3633815338661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1668335183363 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1668335183299 and 1668335183308.

It is not a weakly prime, because it can be changed into another prime (1668335183863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834167591681 + 834167591682.

It is an arithmetic number, because the mean of its divisors is an integer number (834167591682).

Almost surely, 2^{1668335183363} is an apocalyptic number.

1668335183363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1668335183363 is an equidigital number, since it uses as much as digits as its factorization.

1668335183363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 56.

The spelling of 1668335183363 in words is "one trillion, six hundred sixty-eight billion, three hundred thirty-five million, one hundred eighty-three thousand, three hundred sixty-three".