11066580 has 72 divisors (see below), whose sum is σ = 38368512. Its totient is φ = 2529216.

The previous prime is 11066579. The next prime is 11066593. The reversal of 11066580 is 8566011.

11066580 is a `hidden beast` number, since 1 + 1 + 0 + 6 + 658 + 0 = 666.

11066580 is digitally balanced in base 2 and base 4, because in such bases 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 23 ways as a sum of consecutive naturals, for example, 3132 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (532896).

Almost surely, 2^11066580 is an apocalyptic number.

11066580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11066580 is an abundant number, since it is smaller than the sum of its proper divisors (27301932).

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

11066580 is a wasteful number, since it uses less digits than its factorization.

11066580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 11066580 is about 3326.6469605295. The cubic root of 11066580 is about 222.8458116245.

The spelling of 11066580 in words is "eleven million, sixty-six thousand, five hundred eighty".