13665164 has 12 divisors (see below), whose sum is σ = 23940000. Its totient is φ = 6825168.

The previous prime is 13665163. The next prime is 13665257. The reversal of 13665164 is 46156631.

It is a self number, because there is not a number n which added to its sum of digits gives 13665164.

It is not an unprimeable number, because it can be changed into a prime (13665163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5837 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (1995000).

Almost surely, 2^13665164 is an apocalyptic number.

It is an amenable number.

13665164 is a deficient number, since it is larger than the sum of its proper divisors (10274836).

13665164 is a wasteful number, since it uses less digits than its factorization.

13665164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3710 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 13665164 is about 3696.6422602140. The cubic root of 13665164 is about 239.0772670816.

The spelling of 13665164 in words is "thirteen million, six hundred sixty-five thousand, one hundred sixty-four".