11664441 has 12 divisors (see below), whose sum is σ = 17013568. Its totient is φ = 7700184.

The previous prime is 11664437. The next prime is 11664479. The reversal of 11664441 is 14446611.

11664441 is a `hidden beast` number, since 1 + 16 + 644 + 4 + 1 = 666.

It is not a de Polignac number, because 11664441 - 2² = 11664437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11664421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5365 + ... + 7218.

Almost surely, 2^11664441 is an apocalyptic number.

It is an amenable number.

11664441 is a deficient number, since it is larger than the sum of its proper divisors (5349127).

11664441 is a wasteful number, since it uses less digits than its factorization.

11664441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692 (or 12689 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 11664441 is about 3415.3244355405. The cubic root of 11664441 is about 226.7886470993.

It can be divided in two parts, 11664 and 441, that multiplied together give a square (5143824 = 2268²).

The spelling of 11664441 in words is "eleven million, six hundred sixty-four thousand, four hundred forty-one".