9663161 has 2 divisors, whose sum is σ = 9663162. Its totient is φ = 9663160.

The previous prime is 9663131. The next prime is 9663169. The reversal of 9663161 is 1613669.

9663161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 4280761 = 2320^2 + 2069^2 .

It is an emirp because it is prime and its reverse (1613669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9663161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9663169) 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 as a sum of consecutive naturals, namely, 4831580 + 4831581.

It is an arithmetic number, because the mean of its divisors is an integer number (4831581).

Almost surely, 2^9663161 is an apocalyptic number.

It is an amenable number.

9663161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9663161 is an equidigital number, since it uses as much as digits as its factorization.

9663161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 9663161 is about 3108.5625295303. The cubic root of 9663161 is about 212.9967965898.

The spelling of 9663161 in words is "nine million, six hundred sixty-three thousand, one hundred sixty-one".