11663808 has 56 divisors (see below), whose sum is σ = 33241488. Its totient is φ = 3588096.

The previous prime is 11663731. The next prime is 11663837. The reversal of 11663808 is 80836611.

11663808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 4832.

It is an arithmetic number, because the mean of its divisors is an integer number (593598).

Almost surely, 2^11663808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11663808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16620744).

11663808 is an abundant number, since it is smaller than the sum of its proper divisors (21577680).

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

11663808 is a wasteful number, since it uses less digits than its factorization.

11663808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 11663808 is about 3415.2317637314. The cubic root of 11663808 is about 226.7845446078.

The spelling of 11663808 in words is "eleven million, six hundred sixty-three thousand, eight hundred eight".