1165230326 has 24 divisors (see below), whose sum is σ = 1895521320. Its totient is φ = 536979456.

The previous prime is 1165230323. The next prime is 1165230377. The reversal of 1165230326 is 6230325611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165230323) 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 in 11 ways as a sum of consecutive naturals, for example, 257681 + ... + 262163.

It is an arithmetic number, because the mean of its divisors is an integer number (78980055).

Almost surely, 2^1165230326 is an apocalyptic number.

1165230326 is a deficient number, since it is larger than the sum of its proper divisors (730290994).

1165230326 is a wasteful number, since it uses less digits than its factorization.

1165230326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280 (or 5267 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1165230326 is about 34135.4702032944. The cubic root of 1165230326 is about 1052.2944010436.

Adding to 1165230326 its reverse (6230325611), we get a palindrome (7395555937).

The spelling of 1165230326 in words is "one billion, one hundred sixty-five million, two hundred thirty thousand, three hundred twenty-six".