11664211 has 6 divisors (see below), whose sum is σ = 12630660. Its totient is φ = 10766808.

The previous prime is 11664209. The next prime is 11664217. The reversal of 11664211 is 11246611.

It is not a de Polignac number, because 11664211 - 2¹ = 11664209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11664217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34341 + ... + 34678.

It is an arithmetic number, because the mean of its divisors is an integer number (2105110).

Almost surely, 2^11664211 is an apocalyptic number.

11664211 is a deficient number, since it is larger than the sum of its proper divisors (966449).

11664211 is an equidigital number, since it uses as much as digits as its factorization.

11664211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69045 (or 69032 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 11664211 is about 3415.2907636100. The cubic root of 11664211 is about 226.7871564797.

The spelling of 11664211 in words is "eleven million, six hundred sixty-four thousand, two hundred eleven".