1165334641 has 2 divisors, whose sum is σ = 1165334642. Its totient is φ = 1165334640.

The previous prime is 1165334627. The next prime is 1165334707. The reversal of 1165334641 is 1464335611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978438400 + 186896241 = 31280^2 + 13671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165334641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165334597 and 1165334606.

It is not a weakly prime, because it can be changed into another prime (1165334341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582667320 + 582667321.

It is an arithmetic number, because the mean of its divisors is an integer number (582667321).

Almost surely, 2^1165334641 is an apocalyptic number.

It is an amenable number.

1165334641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165334641 is an equidigital number, since it uses as much as digits as its factorization.

1165334641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 1165334641 is about 34136.9981252013. The cubic root of 1165334641 is about 1052.3258016496.

The spelling of 1165334641 in words is "one billion, one hundred sixty-five million, three hundred thirty-four thousand, six hundred forty-one".