11668267 has 16 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 10448256.

The previous prime is 11668259. The next prime is 11668271. The reversal of 11668267 is 76286611.

It is not a de Polignac number, because 11668267 - 2³ = 11668259 is a prime.

It is a super-2 number, since 2×11668267² = 272296909566578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11668277) 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 15 ways as a sum of consecutive naturals, for example, 103203 + ... + 103315.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^11668267 is an apocalyptic number.

11668267 is a deficient number, since it is larger than the sum of its proper divisors (1355093).

11668267 is an equidigital number, since it uses as much as digits as its factorization.

11668267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 173 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 11668267 is about 3415.8845120993. The cubic root of 11668267 is about 226.8134403580.

It can be divided in two parts, 11668 and 267, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11668267 in words is "eleven million, six hundred sixty-eight thousand, two hundred sixty-seven".