160559081 has 2 divisors, whose sum is σ = 160559082. Its totient is φ = 160559080.

The previous prime is 160559059. The next prime is 160559083. The reversal of 160559081 is 180955061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143880025 + 16679056 = 11995^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 160559081 - 2⁶ = 160559017 is a prime.

It is a super-2 number, since 2×160559081² = 51558436983129122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 160559083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (160559083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80279540 + 80279541.

It is an arithmetic number, because the mean of its divisors is an integer number (80279541).

Almost surely, 2^160559081 is an apocalyptic number.

It is an amenable number.

160559081 is a deficient number, since it is larger than the sum of its proper divisors (1).

160559081 is an equidigital number, since it uses as much as digits as its factorization.

160559081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 160559081 is about 12671.1909858545. The cubic root of 160559081 is about 543.5151129587.

The spelling of 160559081 in words is "one hundred sixty million, five hundred fifty-nine thousand, eighty-one".