666560060 has 24 divisors (see below), whose sum is σ = 1401167040. Its totient is φ = 266359104.

The previous prime is 666560039. The next prime is 666560093. The reversal of 666560060 is 60065666.

It is a self number, because there is not a number n which added to its sum of digits gives 666560060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742 + ... + 36818.

It is an arithmetic number, because the mean of its divisors is an integer number (58381960).

Almost surely, 2^666560060 is an apocalyptic number.

It is an amenable number.

666560060 is an abundant number, since it is smaller than the sum of its proper divisors (734606980).

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

666560060 is a wasteful number, since it uses less digits than its factorization.

666560060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33125 (or 33123 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 666560060 is about 25817.8244629558. The cubic root of 666560060 is about 873.5338975033.

The spelling of 666560060 in words is "six hundred sixty-six million, five hundred sixty thousand, sixty".