13601166 has 8 divisors (see below), whose sum is σ = 27202344. Its totient is φ = 4533720.

The previous prime is 13601153. The next prime is 13601171. The reversal of 13601166 is 66110631.

It is a sphenic number, since it is the product of 3 distinct primes.

13601166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1133425 + ... + 1133436.

It is an arithmetic number, because the mean of its divisors is an integer number (3400293).

Almost surely, 2^13601166 is an apocalyptic number.

13601166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13601166 is a wasteful number, since it uses less digits than its factorization.

13601166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266866.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13601166 is about 3687.9758676000. The cubic root of 13601166 is about 238.7034597660.

Adding to 13601166 its reverse (66110631), we get a palindrome (79711797).

The spelling of 13601166 in words is "thirteen million, six hundred one thousand, one hundred sixty-six".