11672166 has 64 divisors (see below), whose sum is σ = 27495936. Its totient is φ = 3264000.

The previous prime is 11672159. The next prime is 11672173. The reversal of 11672166 is 66127611.

It is an interprime number because it is at equal distance from previous prime (11672159) and next prime (11672173).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 113271 + ... + 113373.

It is an arithmetic number, because the mean of its divisors is an integer number (429624).

Almost surely, 2^11672166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11672166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13747968).

11672166 is an abundant number, since it is smaller than the sum of its proper divisors (15823770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11672166 is a wasteful number, since it uses less digits than its factorization.

11672166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 3024, while the sum is 30.

The square root of 11672166 is about 3416.4551804465. The cubic root of 11672166 is about 226.8387010964.

Adding to 11672166 its reverse (66127611), we get a palindrome (77799777).

Subtracting 11672166 from its reverse (66127611), we obtain a palindrome (54455445).

It can be divided in two parts, 1167 and 2166, that added together give a palindrome (3333).

The spelling of 11672166 in words is "eleven million, six hundred seventy-two thousand, one hundred sixty-six".