660500712 has 48 divisors (see below), whose sum is σ = 1795510080. Its totient is φ = 219348000.

The previous prime is 660500699. The next prime is 660500713. The reversal of 660500712 is 217005066.

It is a super-2 number, since 2×660500712² = 872522381105013888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (660500713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2587 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (37406460).

Almost surely, 2^660500712 is an apocalyptic number.

It is an amenable number.

660500712 is an abundant number, since it is smaller than the sum of its proper divisors (1135009368).

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

660500712 is a wasteful number, since it uses less digits than its factorization.

660500712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34134 (or 34127 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 660500712 is about 25700.2084038243. The cubic root of 660500712 is about 870.8788898724.

Adding to 660500712 its reverse (217005066), we get a palindrome (877505778).

The spelling of 660500712 in words is "six hundred sixty million, five hundred thousand, seven hundred twelve".