163398687229 has 2 divisors, whose sum is σ = 163398687230. Its totient is φ = 163398687228.

The previous prime is 163398687217. The next prime is 163398687349. The reversal of 163398687229 is 922786893361.

163398687229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134690468004 + 28708219225 = 367002^2 + 169435^2 .

It is an emirp because it is prime and its reverse (922786893361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163398687229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163398687629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81699343614 + 81699343615.

It is an arithmetic number, because the mean of its divisors is an integer number (81699343615).

Almost surely, 2^163398687229 is an apocalyptic number.

It is an amenable number.

163398687229 is a deficient number, since it is larger than the sum of its proper divisors (1).

163398687229 is an equidigital number, since it uses as much as digits as its factorization.

163398687229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 64.

The spelling of 163398687229 in words is "one hundred sixty-three billion, three hundred ninety-eight million, six hundred eighty-seven thousand, two hundred twenty-nine".