666313130 has 64 divisors (see below), whose sum is σ = 1457533440. Its totient is φ = 214093824.

The previous prime is 666313091. The next prime is 666313139. The reversal of 666313130 is 31313666.

It is a junction number, because it is equal to n+sod(n) for n = 666313093 and 666313102.

It is not an unprimeable number, because it can be changed into a prime (666313139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311906 + ... + 314034.

It is an arithmetic number, because the mean of its divisors is an integer number (22773960).

Almost surely, 2^666313130 is an apocalyptic number.

666313130 is an abundant number, since it is smaller than the sum of its proper divisors (791220310).

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

666313130 is a wasteful number, since it uses less digits than its factorization.

666313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 666313130 is about 25813.0418587194. The cubic root of 666313130 is about 873.4260160687.

Adding to 666313130 its reverse (31313666), we get a palindrome (697626796).

The spelling of 666313130 in words is "six hundred sixty-six million, three hundred thirteen thousand, one hundred thirty".