159269161 has 2 divisors, whose sum is σ = 159269162. Its totient is φ = 159269160.

The previous prime is 159269147. The next prime is 159269203. The reversal of 159269161 is 161962951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159264400 + 4761 = 12620^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 159269161 - 2⁵ = 159269129 is a prime.

It is not a weakly prime, because it can be changed into another prime (159269101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79634580 + 79634581.

It is an arithmetic number, because the mean of its divisors is an integer number (79634581).

Almost surely, 2^159269161 is an apocalyptic number.

It is an amenable number.

159269161 is a deficient number, since it is larger than the sum of its proper divisors (1).

159269161 is an equidigital number, since it uses as much as digits as its factorization.

159269161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 40.

The square root of 159269161 is about 12620.1886277504. The cubic root of 159269161 is about 542.0556773002.

The spelling of 159269161 in words is "one hundred fifty-nine million, two hundred sixty-nine thousand, one hundred sixty-one".