1161608363 has 2 divisors, whose sum is σ = 1161608364. Its totient is φ = 1161608362.

The previous prime is 1161608359. The next prime is 1161608381. The reversal of 1161608363 is 3638061611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161608363 - 2² = 1161608359 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161608563) 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, 580804181 + 580804182.

It is an arithmetic number, because the mean of its divisors is an integer number (580804182).

Almost surely, 2^1161608363 is an apocalyptic number.

1161608363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161608363 is an equidigital number, since it uses as much as digits as its factorization.

1161608363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1161608363 is about 34082.3761348882. The cubic root of 1161608363 is about 1051.2029638171.

Adding to 1161608363 its reverse (3638061611), we get a palindrome (4799669974).

The spelling of 1161608363 in words is "one billion, one hundred sixty-one million, six hundred eight thousand, three hundred sixty-three".