160997269 has 2 divisors, whose sum is σ = 160997270. Its totient is φ = 160997268.

The previous prime is 160997267. The next prime is 160997281. The reversal of 160997269 is 962799061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94770225 + 66227044 = 9735^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 160997269 - 2¹ = 160997267 is a prime.

It is a super-2 number, since 2×160997269² = 51840241250916722, which contains 22 as substring.

Together with 160997267, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160997261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80498634 + 80498635.

It is an arithmetic number, because the mean of its divisors is an integer number (80498635).

Almost surely, 2^160997269 is an apocalyptic number.

It is an amenable number.

160997269 is a deficient number, since it is larger than the sum of its proper divisors (1).

160997269 is an equidigital number, since it uses as much as digits as its factorization.

160997269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 160997269 is about 12688.4699235172. The cubic root of 160997269 is about 544.0091065463.

The spelling of 160997269 in words is "one hundred sixty million, nine hundred ninety-seven thousand, two hundred sixty-nine".