520132146564 has 24 divisors (see below), whose sum is σ = 1215141873120. Its totient is φ = 173163068224.

The previous prime is 520132146563. The next prime is 520132146577. The reversal of 520132146564 is 465641231025.

It is not an unprimeable number, because it can be changed into a prime (520132146563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26779134 + ... + 26798549.

It is an arithmetic number, because the mean of its divisors is an integer number (50630911380).

Almost surely, 2^520132146564 is an apocalyptic number.

It is an amenable number.

520132146564 is an abundant number, since it is smaller than the sum of its proper divisors (695009726556).

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

520132146564 is a wasteful number, since it uses less digits than its factorization.

520132146564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53578499 (or 53578497 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 520132146564 its reverse (465641231025), we get a palindrome (985773377589).

The spelling of 520132146564 in words is "five hundred twenty billion, one hundred thirty-two million, one hundred forty-six thousand, five hundred sixty-four".