168343829 has 2 divisors, whose sum is σ = 168343830. Its totient is φ = 168343828.

The previous prime is 168343793. The next prime is 168343867. The reversal of 168343829 is 928343861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145323025 + 23020804 = 12055^2 + 4798^2 .

It is a cyclic number.

It is not a de Polignac number, because 168343829 - 2⁸ = 168343573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168343829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168343729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84171914 + 84171915.

It is an arithmetic number, because the mean of its divisors is an integer number (84171915).

Almost surely, 2^168343829 is an apocalyptic number.

It is an amenable number.

168343829 is a deficient number, since it is larger than the sum of its proper divisors (1).

168343829 is an equidigital number, since it uses as much as digits as its factorization.

168343829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 168343829 is about 12974.7381091103. The cubic root of 168343829 is about 552.1610066022.

The spelling of 168343829 in words is "one hundred sixty-eight million, three hundred forty-three thousand, eight hundred twenty-nine".