11116656 has 40 divisors (see below), whose sum is σ = 31910160. Its totient is φ = 3705408.

The previous prime is 11116649. The next prime is 11116667. The reversal of 11116656 is 65661111.

11116656 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 6 + 656 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 12435 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (797754).

Almost surely, 2^11116656 is an apocalyptic number.

11116656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11116656 is an abundant number, since it is smaller than the sum of its proper divisors (20793504).

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

11116656 is a wasteful number, since it uses less digits than its factorization.

11116656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750 (or 25738 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 11116656 is about 3334.1649629255. The cubic root of 11116656 is about 223.1814298344.

Adding to 11116656 its reverse (65661111), we get a palindrome (76777767).

The spelling of 11116656 in words is "eleven million, one hundred sixteen thousand, six hundred fifty-six".