516140351312 has 160 divisors (see below), whose sum is σ = 1177301790720. Its totient is φ = 217501562880.

The previous prime is 516140351299. The next prime is 516140351359. The reversal of 516140351312 is 213153041615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6851483 + ... + 6926405.

It is an arithmetic number, because the mean of its divisors is an integer number (7358136192).

Almost surely, 2^516140351312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516140351312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588650895360).

516140351312 is an abundant number, since it is smaller than the sum of its proper divisors (661161439408).

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

516140351312 is a wasteful number, since it uses less digits than its factorization.

516140351312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75041 (or 75035 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 516140351312 its reverse (213153041615), we get a palindrome (729293392927).

The spelling of 516140351312 in words is "five hundred sixteen billion, one hundred forty million, three hundred fifty-one thousand, three hundred twelve".