1768168856899 has 2 divisors, whose sum is σ = 1768168856900. Its totient is φ = 1768168856898.

The previous prime is 1768168856819. The next prime is 1768168856911. The reversal of 1768168856899 is 9986588618671.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1768168856899 is a prime.

It is a super-2 number, since 2×1768168856899² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1768168856819) 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, 884084428449 + 884084428450.

It is an arithmetic number, because the mean of its divisors is an integer number (884084428450).

Almost surely, 2^{1768168856899} is an apocalyptic number.

1768168856899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768168856899 is an equidigital number, since it uses as much as digits as its factorization.

1768168856899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2508226560, while the sum is 82.

The spelling of 1768168856899 in words is "one trillion, seven hundred sixty-eight billion, one hundred sixty-eight million, eight hundred fifty-six thousand, eight hundred ninety-nine".