1163065073 has 2 divisors, whose sum is σ = 1163065074. Its totient is φ = 1163065072.

The previous prime is 1163065021. The next prime is 1163065091. The reversal of 1163065073 is 3705603611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138927504 + 24137569 = 33748^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163065073 - 2⁶ = 1163065009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163061073) 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, 581532536 + 581532537.

It is an arithmetic number, because the mean of its divisors is an integer number (581532537).

Almost surely, 2^1163065073 is an apocalyptic number.

It is an amenable number.

1163065073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163065073 is an equidigital number, since it uses as much as digits as its factorization.

1163065073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1163065073 is about 34103.7398682315. The cubic root of 1163065073 is about 1051.6421991216.

Adding to 1163065073 its reverse (3705603611), we get a palindrome (4868668684).

The spelling of 1163065073 in words is "one billion, one hundred sixty-three million, sixty-five thousand, seventy-three".