12161163 has 12 divisors (see below), whose sum is σ = 18862440. Its totient is φ = 6949152.

The previous prime is 12161153. The next prime is 12161167. The reversal of 12161163 is 36116121.

It is not a de Polignac number, because 12161163 - 2⁶ = 12161099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12161167) 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 in 11 ways as a sum of consecutive naturals, for example, 41218 + ... + 41511.

It is an arithmetic number, because the mean of its divisors is an integer number (1571870).

Almost surely, 2^12161163 is an apocalyptic number.

12161163 is a deficient number, since it is larger than the sum of its proper divisors (6701277).

12161163 is an equidigital number, since it uses as much as digits as its factorization.

12161163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82746 (or 82739 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 12161163 is about 3487.2859074071. The cubic root of 12161163 is about 229.9632140286.

Adding to 12161163 its reverse (36116121), we get a palindrome (48277284).

The spelling of 12161163 in words is "twelve million, one hundred sixty-one thousand, one hundred sixty-three".