11664049 has 4 divisors (see below), whose sum is σ = 11948580. Its totient is φ = 11379520.

The previous prime is 11664047. The next prime is 11664053. The reversal of 11664049 is 94046611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94046611 = 157 ⋅599023.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 4981824 = 2585^2 + 2232^2 .

It is a cyclic number.

It is not a de Polignac number, because 11664049 - 2¹ = 11664047 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 11664049.

It is not an unprimeable number, because it can be changed into a prime (11664041) 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, 142204 + ... + 142285.

It is an arithmetic number, because the mean of its divisors is an integer number (2987145).

Almost surely, 2^11664049 is an apocalyptic number.

It is an amenable number.

11664049 is a deficient number, since it is larger than the sum of its proper divisors (284531).

11664049 is an equidigital number, since it uses as much as digits as its factorization.

11664049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284530.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 11664049 is about 3415.2670466597. The cubic root of 11664049 is about 226.7861065533.

The spelling of 11664049 in words is "eleven million, six hundred sixty-four thousand, forty-nine".