11582163 has 16 divisors (see below), whose sum is σ = 17525760. Its totient is φ = 7556328.

The previous prime is 11582141. The next prime is 11582183. The reversal of 11582163 is 36128511.

It is not a de Polignac number, because 11582163 - 2⁶ = 11582099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11582183) 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 in 15 ways as a sum of consecutive naturals, for example, 3295 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1095360).

Almost surely, 2^11582163 is an apocalyptic number.

11582163 is a deficient number, since it is larger than the sum of its proper divisors (5943597).

11582163 is an equidigital number, since it uses as much as digits as its factorization.

11582163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183 (or 9177 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11582163 is about 3403.2577040242. The cubic root of 11582163 is about 226.2541519135.

It can be divided in two parts, 1158 and 2163, that added together give a triangular number (3321 = T₈₁).

The spelling of 11582163 in words is "eleven million, five hundred eighty-two thousand, one hundred sixty-three".