8666130580 has 12 divisors (see below), whose sum is σ = 18198874260. Its totient is φ = 3466452224.

The previous prime is 8666130563. The next prime is 8666130637. The reversal of 8666130580 is 850316668.

It can be written as a sum of positive squares in 2 ways, for example, as 4615571844 + 4050558736 = 67938^2 + 63644^2 .

It is a super-3 number, since 3×8666130580³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216653245 + ... + 216653284.

It is an arithmetic number, because the mean of its divisors is an integer number (1516572855).

Almost surely, 2^8666130580 is an apocalyptic number.

It is an amenable number.

8666130580 is an abundant number, since it is smaller than the sum of its proper divisors (9532743680).

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

8666130580 is a wasteful number, since it uses less digits than its factorization.

8666130580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433306538 (or 433306536 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 8666130580 is about 93092.0543333318. The cubic root of 8666130580 is about 2054.0376958792.

The spelling of 8666130580 in words is "eight billion, six hundred sixty-six million, one hundred thirty thousand, five hundred eighty".