516555653364 has 36 divisors (see below), whose sum is σ = 1306683529060. Its totient is φ = 172060519680.

The previous prime is 516555653359. The next prime is 516555653377. The reversal of 516555653364 is 463356555615.

516555653364 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 556 + 53 + 36 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 361549664100 + 155005989264 = 601290^2 + 393708^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 516555653364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5145349 + ... + 5244780.

Almost surely, 2^516555653364 is an apocalyptic number.

It is an amenable number.

516555653364 is an abundant number, since it is smaller than the sum of its proper divisors (790127875696).

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

516555653364 is a wasteful number, since it uses less digits than its factorization.

516555653364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391520 (or 10391515 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 54.

The spelling of 516555653364 in words is "five hundred sixteen billion, five hundred fifty-five million, six hundred fifty-three thousand, three hundred sixty-four".