168566366140363 has 2 divisors, whose sum is σ = 168566366140364. Its totient is φ = 168566366140362.

The previous prime is 168566366140357. The next prime is 168566366140379. The reversal of 168566366140363 is 363041663665861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168566366140363 - 2⁹ = 168566366139851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168566366140295 and 168566366140304.

It is not a weakly prime, because it can be changed into another prime (168566366140303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84283183070181 + 84283183070182.

It is an arithmetic number, because the mean of its divisors is an integer number (84283183070182).

Almost surely, 2^{168566366140363} is an apocalyptic number.

168566366140363 is a deficient number, since it is larger than the sum of its proper divisors (1).

168566366140363 is an equidigital number, since it uses as much as digits as its factorization.

168566366140363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201553920, while the sum is 64.

The spelling of 168566366140363 in words is "one hundred sixty-eight trillion, five hundred sixty-six billion, three hundred sixty-six million, one hundred forty thousand, three hundred sixty-three".