168342338569 has 4 divisors (see below), whose sum is σ = 168343184196. Its totient is φ = 168341492944.

The previous prime is 168342338561. The next prime is 168342338581. The reversal of 168342338569 is 965833243861.

168342338569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 965833243861 = 241 ⋅4007606821.

It can be written as a sum of positive squares in 2 ways, for example, as 148394448400 + 19947890169 = 385220^2 + 141237^2 .

It is a cyclic number.

It is not a de Polignac number, because 168342338569 - 2³ = 168342338561 is a prime.

It is a super-2 number, since 2×168342338569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168342338561) 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 in 3 ways as a sum of consecutive naturals, for example, 58227 + ... + 583159.

It is an arithmetic number, because the mean of its divisors is an integer number (42085796049).

Almost surely, 2^168342338569 is an apocalyptic number.

It is an amenable number.

168342338569 is a deficient number, since it is larger than the sum of its proper divisors (845627).

168342338569 is an equidigital number, since it uses as much as digits as its factorization.

168342338569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845626.

The product of its digits is 22394880, while the sum is 58.

The spelling of 168342338569 in words is "one hundred sixty-eight billion, three hundred forty-two million, three hundred thirty-eight thousand, five hundred sixty-nine".