11664005 has 16 divisors (see below), whose sum is σ = 14990400. Its totient is φ = 8686080.

The previous prime is 11663983. The next prime is 11664017. The reversal of 11664005 is 50046611.

11664005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11664005 - 2¹⁶ = 11598469 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4565 + ... + 6645.

It is an arithmetic number, because the mean of its divisors is an integer number (936900).

Almost surely, 2^11664005 is an apocalyptic number.

It is an amenable number.

11664005 is a deficient number, since it is larger than the sum of its proper divisors (3326395).

11664005 is a wasteful number, since it uses less digits than its factorization.

11664005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11664005 is about 3415.2606049905. The cubic root of 11664005 is about 226.7858213864.

It can be divided in two parts, 1166400 and 5, that multiplied together give a cube (5832000 = 180³).

The spelling of 11664005 in words is "eleven million, six hundred sixty-four thousand, five".