5566660 has 24 divisors (see below), whose sum is σ = 12753216. Its totient is φ = 2024160.

The previous prime is 5566657. The next prime is 5566661. The reversal of 5566660 is 666655.

It is not an unprimeable number, because it can be changed into a prime (5566661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12432 + ... + 12871.

It is an arithmetic number, because the mean of its divisors is an integer number (531384).

Almost surely, 2^5566660 is an apocalyptic number.

It is an amenable number.

5566660 is an abundant number, since it is smaller than the sum of its proper divisors (7186556).

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

5566660 is a wasteful number, since it uses less digits than its factorization.

5566660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25323 (or 25321 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5566660 is about 2359.3770364230. The cubic root of 5566660 is about 177.2276853271.

It can be divided in two parts, 5566 and 660, that added together give a palindrome (6226).

The spelling of 5566660 in words is "five million, five hundred sixty-six thousand, six hundred sixty".