11668436 has 36 divisors (see below), whose sum is σ = 22704444. Its totient is φ = 5241600.

The previous prime is 11668403. The next prime is 11668441. The reversal of 11668436 is 63486611.

It can be written as a sum of positive squares in 6 ways, for example, as 8584900 + 3083536 = 2930^2 + 1756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11668396 and 11668405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27506 + ... + 27926.

It is an arithmetic number, because the mean of its divisors is an integer number (630679).

Almost surely, 2^11668436 is an apocalyptic number.

It is an amenable number.

11668436 is a deficient number, since it is larger than the sum of its proper divisors (11036008).

11668436 is a wasteful number, since it uses less digits than its factorization.

11668436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 477 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 11668436 is about 3415.9092493800. The cubic root of 11668436 is about 226.8145353874.

The spelling of 11668436 in words is "eleven million, six hundred sixty-eight thousand, four hundred thirty-six".