168683077936463 has 2 divisors, whose sum is σ = 168683077936464. Its totient is φ = 168683077936462.

The previous prime is 168683077936397. The next prime is 168683077936619. The reversal of 168683077936463 is 364639770386861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168683077936463 - 2⁸ = 168683077936207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168683077936663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84341538968231 + 84341538968232.

It is an arithmetic number, because the mean of its divisors is an integer number (84341538968232).

Almost surely, 2^{168683077936463} is an apocalyptic number.

168683077936463 is a deficient number, since it is larger than the sum of its proper divisors (1).

168683077936463 is an equidigital number, since it uses as much as digits as its factorization.

168683077936463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3950456832, while the sum is 77.

The spelling of 168683077936463 in words is "one hundred sixty-eight trillion, six hundred eighty-three billion, seventy-seven million, nine hundred thirty-six thousand, four hundred sixty-three".