5212566516 has 12 divisors (see below), whose sum is σ = 12162655232. Its totient is φ = 1737522168.

The previous prime is 5212566493. The next prime is 5212566563. The reversal of 5212566516 is 6156652125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 217190260 + ... + 217190283.

Almost surely, 2^5212566516 is an apocalyptic number.

It is an amenable number.

5212566516 is an abundant number, since it is smaller than the sum of its proper divisors (6950088716).

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

5212566516 is a wasteful number, since it uses less digits than its factorization.

5212566516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434380550 (or 434380548 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 5212566516 is about 72198.1060416407. The cubic root of 5212566516 is about 1733.8726786914.

The spelling of 5212566516 in words is "five billion, two hundred twelve million, five hundred sixty-six thousand, five hundred sixteen".