11666016 has 36 divisors (see below), whose sum is σ = 33176052. Its totient is φ = 3888576.

The previous prime is 11665963. The next prime is 11666021. The reversal of 11666016 is 61066611.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19966 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (921557).

Almost surely, 2^11666016 is an apocalyptic number.

11666016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11666016 is an abundant number, since it is smaller than the sum of its proper divisors (21510036).

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

11666016 is a wasteful number, since it uses less digits than its factorization.

11666016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40523 (or 40512 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11666016 is about 3415.5550061447. Note that the first 3 decimals coincide. The cubic root of 11666016 is about 226.7988540763.

The spelling of 11666016 in words is "eleven million, six hundred sixty-six thousand, sixteen".