161106065833 has 2 divisors, whose sum is σ = 161106065834. Its totient is φ = 161106065832.

The previous prime is 161106065821. The next prime is 161106065843. The reversal of 161106065833 is 338560601161.

161106065833 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., 155940481449 + 5165584384 = 394893^2 + 71872^2 .

It is an emirp because it is prime and its reverse (338560601161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161106065833 - 2⁵ = 161106065801 is a prime.

It is not a weakly prime, because it can be changed into another prime (161106065843) 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, 80553032916 + 80553032917.

It is an arithmetic number, because the mean of its divisors is an integer number (80553032917).

Almost surely, 2^161106065833 is an apocalyptic number.

It is an amenable number.

161106065833 is a deficient number, since it is larger than the sum of its proper divisors (1).

161106065833 is an equidigital number, since it uses as much as digits as its factorization.

161106065833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

Adding to 161106065833 its reverse (338560601161), we get a palindrome (499666666994).

The spelling of 161106065833 in words is "one hundred sixty-one billion, one hundred six million, sixty-five thousand, eight hundred thirty-three".