516113342546320 has 20 divisors (see below), whose sum is σ = 1199963521420380. Its totient is φ = 206445337018496.

The previous prime is 516113342546281. The next prime is 516113342546371. The reversal of 516113342546320 is 23645243311615.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93272096431504 + 422841246114816 = 9657748^2 + 20563104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225708390835 + ... + 3225708390994.

It is an arithmetic number, because the mean of its divisors is an integer number (59998176071019).

Almost surely, 2^{516113342546320} is an apocalyptic number.

It is an amenable number.

516113342546320 is an abundant number, since it is smaller than the sum of its proper divisors (683850178874060).

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

516113342546320 is a wasteful number, since it uses less digits than its factorization.

516113342546320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451416781842 (or 6451416781836 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

Adding to 516113342546320 its reverse (23645243311615), we get a palindrome (539758585857935).

The spelling of 516113342546320 in words is "five hundred sixteen trillion, one hundred thirteen billion, three hundred forty-two million, five hundred forty-six thousand, three hundred twenty".