2851599161 has 2 divisors, whose sum is σ = 2851599162. Its totient is φ = 2851599160.

The previous prime is 2851599143. The next prime is 2851599167. The reversal of 2851599161 is 1619951582.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1436410000 + 1415189161 = 37900^2 + 37619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2851599161 - 2¹⁰ = 2851598137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2851599167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425799580 + 1425799581.

It is an arithmetic number, because the mean of its divisors is an integer number (1425799581).

Almost surely, 2^2851599161 is an apocalyptic number.

It is an amenable number.

2851599161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851599161 is an equidigital number, since it uses as much as digits as its factorization.

2851599161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 47.

The square root of 2851599161 is about 53400.3666747711. The cubic root of 2851599161 is about 1418.0650695948.

The spelling of 2851599161 in words is "two billion, eight hundred fifty-one million, five hundred ninety-nine thousand, one hundred sixty-one".