11664436 has 24 divisors (see below), whose sum is σ = 23401280. Its totient is φ = 4983552.

The previous prime is 11664421. The next prime is 11664437. The reversal of 11664436 is 63446611.

It is a junction number, because it is equal to n+sod(n) for n = 11664398 and 11664407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16996 + ... + 17668.

Almost surely, 2^11664436 is an apocalyptic number.

It is an amenable number.

11664436 is an abundant number, since it is smaller than the sum of its proper divisors (11736844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11664436 is a wasteful number, since it uses less digits than its factorization.

11664436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1301 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 11664436 is about 3415.3237035455. The cubic root of 11664436 is about 226.7886146947.

It can be divided in two parts, 11664 and 436, that added together give a square (12100 = 110²).

The spelling of 11664436 in words is "eleven million, six hundred sixty-four thousand, four hundred thirty-six".