11643163 has 4 divisors (see below), whose sum is σ = 13306480. Its totient is φ = 9979848.

The previous prime is 11643161. The next prime is 11643209. The reversal of 11643163 is 36134611.

It is a happy number.

11643163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11643163 - 2¹ = 11643161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11643161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831648 + ... + 831661.

It is an arithmetic number, because the mean of its divisors is an integer number (3326620).

Almost surely, 2^11643163 is an apocalyptic number.

11643163 is a deficient number, since it is larger than the sum of its proper divisors (1663317).

11643163 is an equidigital number, since it uses as much as digits as its factorization.

11643163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663316.

The product of its digits is 1296, while the sum is 25.

The square root of 11643163 is about 3412.2079362196. The cubic root of 11643163 is about 226.6506623168.

Adding to 11643163 its reverse (36134611), we get a palindrome (47777774).

The spelling of 11643163 in words is "eleven million, six hundred forty-three thousand, one hundred sixty-three".