130606660 has 12 divisors (see below), whose sum is σ = 274274028. Its totient is φ = 52242656.

The previous prime is 130606649. The next prime is 130606667. The reversal of 130606660 is 66606031.

130606660 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89415936 + 41190724 = 9456^2 + 6418^2 .

130606660 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (130606667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265147 + ... + 3265186.

It is an arithmetic number, because the mean of its divisors is an integer number (22856169).

Almost surely, 2^130606660 is an apocalyptic number.

130606660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130606660 is an abundant number, since it is smaller than the sum of its proper divisors (143667368).

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

130606660 is a wasteful number, since it uses less digits than its factorization.

130606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530342 (or 6530340 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 130606660 is about 11428.3270866737. The cubic root of 130606660 is about 507.3664835174.

The spelling of 130606660 in words is "one hundred thirty million, six hundred six thousand, six hundred sixty".