168034429 has 2 divisors, whose sum is σ = 168034430. Its totient is φ = 168034428.

The previous prime is 168034421. The next prime is 168034453. The reversal of 168034429 is 924430861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146458404 + 21576025 = 12102^2 + 4645^2 .

It is an emirp because it is prime and its reverse (924430861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168034429 - 2³ = 168034421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168034421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84017214 + 84017215.

It is an arithmetic number, because the mean of its divisors is an integer number (84017215).

Almost surely, 2^168034429 is an apocalyptic number.

It is an amenable number.

168034429 is a deficient number, since it is larger than the sum of its proper divisors (1).

168034429 is an equidigital number, since it uses as much as digits as its factorization.

168034429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 168034429 is about 12962.8094562869. The cubic root of 168034429 is about 551.8225259558.

The spelling of 168034429 in words is "one hundred sixty-eight million, thirty-four thousand, four hundred twenty-nine".