516511243164 has 48 divisors (see below), whose sum is σ = 1377436782848. Its totient is φ = 147566769408.

The previous prime is 516511243153. The next prime is 516511243189. The reversal of 516511243164 is 461342115615.

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, 1522884 + ... + 1830900.

Almost surely, 2^516511243164 is an apocalyptic number.

It is an amenable number.

516511243164 is an abundant number, since it is smaller than the sum of its proper divisors (860925539684).

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

516511243164 is a wasteful number, since it uses less digits than its factorization.

516511243164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327994 (or 327992 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

Adding to 516511243164 its reverse (461342115615), we get a palindrome (977853358779).

The spelling of 516511243164 in words is "five hundred sixteen billion, five hundred eleven million, two hundred forty-three thousand, one hundred sixty-four".