13361166 has 64 divisors (see below), whose sum is σ = 36556800. Its totient is φ = 3522528.

The previous prime is 13361147. The next prime is 13361209. The reversal of 13361166 is 66116331.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

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, 3555 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (571200).

Almost surely, 2^13361166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13361166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18278400).

13361166 is an abundant number, since it is smaller than the sum of its proper divisors (23195634).

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

13361166 is a wasteful number, since it uses less digits than its factorization.

13361166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2744 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13361166 is about 3655.2928747229. The cubic root of 13361166 is about 237.2911020013.

Adding to 13361166 its reverse (66116331), we get a palindrome (79477497).

The spelling of 13361166 in words is "thirteen million, three hundred sixty-one thousand, one hundred sixty-six".