11656016 has 20 divisors (see below), whose sum is σ = 23912532. Its totient is φ = 5485056.

The previous prime is 11655997. The next prime is 11656037. The reversal of 11656016 is 61065611.

11656016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 739600 = 3304^2 + 860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21155 + ... + 21698.

Almost surely, 2^11656016 is an apocalyptic number.

11656016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11656016 is an abundant number, since it is smaller than the sum of its proper divisors (12256516).

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

11656016 is a wasteful number, since it uses less digits than its factorization.

11656016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42878 (or 42872 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 11656016 is about 3414.0908013701. The cubic root of 11656016 is about 226.7340322645.

The spelling of 11656016 in words is "eleven million, six hundred fifty-six thousand, sixteen".