660500230 has 64 divisors (see below), whose sum is σ = 1394366400. Its totient is φ = 223050240.

The previous prime is 660500171. The next prime is 660500237. The reversal of 660500230 is 32005066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660500237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67020 + ... + 76240.

It is an arithmetic number, because the mean of its divisors is an integer number (21786975).

Almost surely, 2^660500230 is an apocalyptic number.

660500230 is an abundant number, since it is smaller than the sum of its proper divisors (733866170).

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

660500230 is a wasteful number, since it uses less digits than its factorization.

660500230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 660500230 is about 25700.1990264667. The cubic root of 660500230 is about 870.8786780313.

Adding to 660500230 its reverse (32005066), we get a palindrome (692505296).

The spelling of 660500230 in words is "six hundred sixty million, five hundred thousand, two hundred thirty".