168695046361 has 2 divisors, whose sum is σ = 168695046362. Its totient is φ = 168695046360.

The previous prime is 168695046329. The next prime is 168695046367. The reversal of 168695046361 is 163640596861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168695025625 + 20736 = 410725^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 168695046361 - 2⁵ = 168695046329 is a prime.

It is not a weakly prime, because it can be changed into another prime (168695046367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84347523180 + 84347523181.

It is an arithmetic number, because the mean of its divisors is an integer number (84347523181).

Almost surely, 2^168695046361 is an apocalyptic number.

It is an amenable number.

168695046361 is a deficient number, since it is larger than the sum of its proper divisors (1).

168695046361 is an equidigital number, since it uses as much as digits as its factorization.

168695046361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 168695046361 in words is "one hundred sixty-eight billion, six hundred ninety-five million, forty-six thousand, three hundred sixty-one".