516662216552 has 8 divisors (see below), whose sum is σ = 968741656050. Its totient is φ = 258331108272.

The previous prime is 516662216527. The next prime is 516662216569. The reversal of 516662216552 is 255612266615.

It can be written as a sum of positive squares in only one way, i.e., 455012306116 + 61649910436 = 674546^2 + 248294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 516662216497 and 516662216506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32291388527 + ... + 32291388542.

Almost surely, 2^516662216552 is an apocalyptic number.

It is an amenable number.

516662216552 is a deficient number, since it is larger than the sum of its proper divisors (452079439498).

516662216552 is a wasteful number, since it uses less digits than its factorization.

516662216552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64582777075 (or 64582777071 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 516662216552 in words is "five hundred sixteen billion, six hundred sixty-two million, two hundred sixteen thousand, five hundred fifty-two".