10644163 has 2 divisors, whose sum is σ = 10644164. Its totient is φ = 10644162.

The previous prime is 10644121. The next prime is 10644167. The reversal of 10644163 is 36144601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10644163 is a prime.

It is a super-2 number, since 2×10644163² = 226596411941138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10644167) 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, 5322081 + 5322082.

It is an arithmetic number, because the mean of its divisors is an integer number (5322082).

Almost surely, 2^10644163 is an apocalyptic number.

10644163 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644163 is an equidigital number, since it uses as much as digits as its factorization.

10644163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 10644163 is about 3262.5393484217. The cubic root of 10644163 is about 219.9735712054.

Adding to 10644163 its reverse (36144601), we get a palindrome (46788764).

The spelling of 10644163 in words is "ten million, six hundred forty-four thousand, one hundred sixty-three".