168560870399 has 2 divisors, whose sum is σ = 168560870400. Its totient is φ = 168560870398.

The previous prime is 168560870371. The next prime is 168560870407. The reversal of 168560870399 is 993078065861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168560870399 - 2³² = 164265903103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168560870099) 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, 84280435199 + 84280435200.

It is an arithmetic number, because the mean of its divisors is an integer number (84280435200).

Almost surely, 2^168560870399 is an apocalyptic number.

168560870399 is a deficient number, since it is larger than the sum of its proper divisors (1).

168560870399 is an equidigital number, since it uses as much as digits as its factorization.

168560870399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 168560870399 in words is "one hundred sixty-eight billion, five hundred sixty million, eight hundred seventy thousand, three hundred ninety-nine".