162844427129 has 2 divisors, whose sum is σ = 162844427130. Its totient is φ = 162844427128.

The previous prime is 162844427077. The next prime is 162844427159. The reversal of 162844427129 is 921724448261.

162844427129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143341746025 + 19502681104 = 378605^2 + 139652^2 .

It is a cyclic number.

It is not a de Polignac number, because 162844427129 - 2⁸ = 162844426873 is a prime.

It is not a weakly prime, because it can be changed into another prime (162844427159) 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, 81422213564 + 81422213565.

It is an arithmetic number, because the mean of its divisors is an integer number (81422213565).

Almost surely, 2^162844427129 is an apocalyptic number.

It is an amenable number.

162844427129 is a deficient number, since it is larger than the sum of its proper divisors (1).

162844427129 is an equidigital number, since it uses as much as digits as its factorization.

162844427129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 50.

The spelling of 162844427129 in words is "one hundred sixty-two billion, eight hundred forty-four million, four hundred twenty-seven thousand, one hundred twenty-nine".