168361229 has 2 divisors, whose sum is σ = 168361230. Its totient is φ = 168361228.

The previous prime is 168361199. The next prime is 168361241. The reversal of 168361229 is 922163861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168298729 + 62500 = 12973^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 168361229 - 2²⁰ = 167312653 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 168361192 and 168361201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168361289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84180614 + 84180615.

It is an arithmetic number, because the mean of its divisors is an integer number (84180615).

Almost surely, 2^168361229 is an apocalyptic number.

It is an amenable number.

168361229 is a deficient number, since it is larger than the sum of its proper divisors (1).

168361229 is an equidigital number, since it uses as much as digits as its factorization.

168361229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 168361229 is about 12975.4086255501. The cubic root of 168361229 is about 552.1800297141.

The spelling of 168361229 in words is "one hundred sixty-eight million, three hundred sixty-one thousand, two hundred twenty-nine".