11664001 has 4 divisors (see below), whose sum is σ = 11738452. Its totient is φ = 11589552.

The previous prime is 11663983. The next prime is 11664017. The reversal of 11664001 is 10046611.

It is a happy number.

11664001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 10400625 = 1124^2 + 3225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11664001 - 2⁹ = 11663489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11664001.

It is not an unprimeable number, because it can be changed into a prime (11664031) 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, 36990 + ... + 37303.

It is an arithmetic number, because the mean of its divisors is an integer number (2934613).

Almost surely, 2^11664001 is an apocalyptic number.

It is an amenable number.

11664001 is a deficient number, since it is larger than the sum of its proper divisors (74451).

11664001 is an equidigital number, since it uses as much as digits as its factorization.

11664001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74450.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11664001 is about 3415.2600193836. The cubic root of 11664001 is about 226.7857954622.

The spelling of 11664001 in words is "eleven million, six hundred sixty-four thousand, one".