11660560 has 20 divisors (see below), whose sum is σ = 27110988. Its totient is φ = 4664192.

The previous prime is 11660549. The next prime is 11660567. The reversal of 11660560 is 6506611.

It can be written as a sum of positive squares in 2 ways, for example, as 8111104 + 3549456 = 2848^2 + 1884^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (11660567) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72799 + ... + 72958.

Almost surely, 2^11660560 is an apocalyptic number.

11660560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11660560 is an abundant number, since it is smaller than the sum of its proper divisors (15450428).

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

11660560 is a wasteful number, since it uses less digits than its factorization.

11660560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145770 (or 145764 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 11660560 is about 3414.7562138460. The cubic root of 11660560 is about 226.7634918897.

The spelling of 11660560 in words is "eleven million, six hundred sixty thousand, five hundred sixty".