516651516560 has 40 divisors (see below), whose sum is σ = 1271874472056. Its totient is φ = 194504099840.

The previous prime is 516651516551. The next prime is 516651516613. The reversal of 516651516560 is 65615156615.

It can be written as a sum of positive squares in 4 ways, for example, as 81120153856 + 435531362704 = 284816^2 + 659948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189944051 + ... + 189946770.

Almost surely, 2^516651516560 is an apocalyptic number.

It is an amenable number.

516651516560 is an abundant number, since it is smaller than the sum of its proper divisors (755222955496).

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

516651516560 is a wasteful number, since it uses less digits than its factorization.

516651516560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379890851 (or 379890845 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 516651516560 in words is "five hundred sixteen billion, six hundred fifty-one million, five hundred sixteen thousand, five hundred sixty".