63130660 has 12 divisors (see below), whose sum is σ = 132574428. Its totient is φ = 25252256.

The previous prime is 63130643. The next prime is 63130667. The reversal of 63130660 is 6603136.

It can be written as a sum of positive squares in 2 ways, for example, as 30206016 + 32924644 = 5496^2 + 5738^2 .

It is not an unprimeable number, because it can be changed into a prime (63130667) by changing a digit.

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, 1578247 + ... + 1578286.

It is an arithmetic number, because the mean of its divisors is an integer number (11047869).

Almost surely, 2^63130660 is an apocalyptic number.

It is an amenable number.

63130660 is an abundant number, since it is smaller than the sum of its proper divisors (69443768).

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

63130660 is a wasteful number, since it uses less digits than its factorization.

63130660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156542 (or 3156540 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 63130660 is about 7945.4804763463. The cubic root of 63130660 is about 398.1806121162.

Adding to 63130660 its reverse (6603136), we get a palindrome (69733796).

The spelling of 63130660 in words is "sixty-three million, one hundred thirty thousand, six hundred sixty".