11668635 has 36 divisors (see below), whose sum is σ = 22241856. Its totient is φ = 5654880.

The previous prime is 11668619. The next prime is 11668661. The reversal of 11668635 is 53686611.

It is a happy number.

11668635 is a `hidden beast` number, since 1 + 16 + 6 + 8 + 635 = 666.

11668635 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11668635 - 2⁴ = 11668619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11668635.

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 35 ways as a sum of consecutive naturals, for example, 4374 + ... + 6516.

Almost surely, 2^11668635 is an apocalyptic number.

11668635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11668635 is a deficient number, since it is larger than the sum of its proper divisors (10573221).

11668635 is a wasteful number, since it uses less digits than its factorization.

11668635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2162 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 11668635 is about 3415.9383776643. The cubic root of 11668635 is about 226.8158247872.

It can be divided in two parts, 1166 and 8635, that added together give a square (9801 = 99²).

The spelling of 11668635 in words is "eleven million, six hundred sixty-eight thousand, six hundred thirty-five".