665060 has 24 divisors (see below), whose sum is σ = 1524096. Its totient is φ = 241760.

The previous prime is 665053. The next prime is 665069. The reversal of 665060 is 60566.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 665060.

It is not an unprimeable number, because it can be changed into a prime (665069) 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, 1292 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁶⁶⁵⁰⁶⁰ is an apocalyptic number.

It is an amenable number.

665060 is an abundant number, since it is smaller than the sum of its proper divisors (859036).

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

665060 is a wasteful number, since it uses less digits than its factorization.

665060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3041 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 665060 is about 815.5121090456. The cubic root of 665060 is about 87.2878123913.

The spelling of 665060 in words is "six hundred sixty-five thousand, sixty".