168522743 has 2 divisors, whose sum is σ = 168522744. Its totient is φ = 168522742.

The previous prime is 168522733. The next prime is 168522769. The reversal of 168522743 is 347225861.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (347225861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168522743 - 2¹⁶ = 168457207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168522697 and 168522706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168522713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84261371 + 84261372.

It is an arithmetic number, because the mean of its divisors is an integer number (84261372).

Almost surely, 2^168522743 is an apocalyptic number.

168522743 is a deficient number, since it is larger than the sum of its proper divisors (1).

168522743 is an equidigital number, since it uses as much as digits as its factorization.

168522743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 168522743 is about 12981.6309838171. The cubic root of 168522743 is about 552.3565475934.

The spelling of 168522743 in words is "one hundred sixty-eight million, five hundred twenty-two thousand, seven hundred forty-three".