269061161 has 2 divisors, whose sum is σ = 269061162. Its totient is φ = 269061160.

The previous prime is 269061131. The next prime is 269061173. The reversal of 269061161 is 161160962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157653136 + 111408025 = 12556^2 + 10555^2 .

It is a cyclic number.

It is not a de Polignac number, because 269061161 - 2⁶ = 269061097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (269061131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134530580 + 134530581.

It is an arithmetic number, because the mean of its divisors is an integer number (134530581).

Almost surely, 2^269061161 is an apocalyptic number.

It is an amenable number.

269061161 is a deficient number, since it is larger than the sum of its proper divisors (1).

269061161 is an equidigital number, since it uses as much as digits as its factorization.

269061161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 269061161 is about 16403.0838868793. The cubic root of 269061161 is about 645.5804009936.

The spelling of 269061161 in words is "two hundred sixty-nine million, sixty-one thousand, one hundred sixty-one".