5660 has 12 divisors (see below), whose sum is σ = 11928. Its totient is φ = 2256.

The previous prime is 5659. The next prime is 5669. The reversal of 5660 is 665.

5660 = 23² + 24² + ... + 30².

It is a happy number.

5660 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 7 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 161.

It is an arithmetic number, because the mean of its divisors is an integer number (994).

It is an amenable number.

5660 is an abundant number, since it is smaller than the sum of its proper divisors (6268).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5964).

5660 is a wasteful number, since it uses less digits than its factorization.

5660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 5660 is about 75.2329714952. The cubic root of 5660 is about 17.8212765818.

The spelling of 5660 in words is "five thousand, six hundred sixty".