205161324226 has 16 divisors (see below), whose sum is σ = 314644144896. Its totient is φ = 100284865696.

The previous prime is 205161324197. The next prime is 205161324229. The reversal of 205161324226 is 622423161502.

205161324226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205161324191 and 205161324200.

It is not an unprimeable number, because it can be changed into a prime (205161324229) 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 7 ways as a sum of consecutive naturals, for example, 1146931 + ... + 1313686.

It is an arithmetic number, because the mean of its divisors is an integer number (19665259056).

Almost surely, 2^205161324226 is an apocalyptic number.

205161324226 is a deficient number, since it is larger than the sum of its proper divisors (109482820670).

205161324226 is a wasteful number, since it uses less digits than its factorization.

205161324226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461553.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 205161324226 its reverse (622423161502), we get a palindrome (827584485728).

The spelling of 205161324226 in words is "two hundred five billion, one hundred sixty-one million, three hundred twenty-four thousand, two hundred twenty-six".