665330060 has 24 divisors (see below), whose sum is σ = 1442265216. Its totient is φ = 257546880.

The previous prime is 665330051. The next prime is 665330063. The reversal of 665330060 is 60033566.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (665330063) 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, 535937 + ... + 537176.

It is an arithmetic number, because the mean of its divisors is an integer number (60094384).

Almost surely, 2^665330060 is an apocalyptic number.

It is an amenable number.

665330060 is an abundant number, since it is smaller than the sum of its proper divisors (776935156).

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

665330060 is a wasteful number, since it uses less digits than its factorization.

665330060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073153 (or 1073151 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 665330060 is about 25793.9927114823. The cubic root of 665330060 is about 872.9962573979.

The spelling of 665330060 in words is "six hundred sixty-five million, three hundred thirty thousand, sixty".