11163867 has 32 divisors (see below), whose sum is σ = 17853696. Its totient is φ = 6115200.

The previous prime is 11163857. The next prime is 11163871. The reversal of 11163867 is 76836111.

It is not a de Polignac number, because 11163867 - 2⁴ = 11163851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11163847) 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 31 ways as a sum of consecutive naturals, for example, 22492 + ... + 22982.

It is an arithmetic number, because the mean of its divisors is an integer number (557928).

Almost surely, 2^11163867 is an apocalyptic number.

11163867 is a deficient number, since it is larger than the sum of its proper divisors (6689829).

11163867 is a wasteful number, since it uses less digits than its factorization.

11163867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 6048, while the sum is 33.

The square root of 11163867 is about 3341.2373456550. The cubic root of 11163867 is about 223.4969245206.

Adding to 11163867 its reverse (76836111), we get a palindrome (87999978).

It can be divided in two parts, 11163 and 867, that multiplied together give a square (9678321 = 3111²).

The spelling of 11163867 in words is "eleven million, one hundred sixty-three thousand, eight hundred sixty-seven".