513166145301660 has 48 divisors (see below), whose sum is σ = 1437088774939776. Its totient is φ = 136823013214272.

The previous prime is 513166145301629. The next prime is 513166145301713. The reversal of 513166145301660 is 66103541661315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664992402 + ... + 665763641.

It is an arithmetic number, because the mean of its divisors is an integer number (29939349477912).

Almost surely, 2^{513166145301660} is an apocalyptic number.

It is an amenable number.

513166145301660 is an abundant number, since it is smaller than the sum of its proper divisors (923922629638116).

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

513166145301660 is a wasteful number, since it uses less digits than its factorization.

513166145301660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330762482 (or 1330762480 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

Adding to 513166145301660 its reverse (66103541661315), we get a palindrome (579269686962975).

The spelling of 513166145301660 in words is "five hundred thirteen trillion, one hundred sixty-six billion, one hundred forty-five million, three hundred one thousand, six hundred sixty".