9983161 has 2 divisors, whose sum is σ = 9983162. Its totient is φ = 9983160.

The previous prime is 9983153. The next prime is 9983179. The reversal of 9983161 is 1613899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8590761 + 1392400 = 2931^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 9983161 - 2³ = 9983153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9983161.

It is not a weakly prime, because it can be changed into another prime (9983101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991580 + 4991581.

It is an arithmetic number, because the mean of its divisors is an integer number (4991581).

Almost surely, 2^9983161 is an apocalyptic number.

It is an amenable number.

9983161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983161 is an equidigital number, since it uses as much as digits as its factorization.

9983161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 9983161 is about 3159.6140587103. The cubic root of 9983161 is about 215.3224726433.

The spelling of 9983161 in words is "nine million, nine hundred eighty-three thousand, one hundred sixty-one".