5218966512 has 160 divisors (see below), whose sum is σ = 15856128000. Its totient is φ = 1638973440.

The previous prime is 5218966499. The next prime is 5218966549. The reversal of 5218966512 is 2156698125.

5218966512 is a `hidden beast` number, since 52 + 1 + 89 + 6 + 6 + 512 = 666.

It is a super-2 number, since 2×5218966512² = 54475222906754892288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1566064 + ... + 1569392.

It is an arithmetic number, because the mean of its divisors is an integer number (99100800).

Almost surely, 2^5218966512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218966512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7928064000).

5218966512 is an abundant number, since it is smaller than the sum of its proper divisors (10637161488).

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

5218966512 is a wasteful number, since it uses less digits than its factorization.

5218966512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3544 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 5218966512 is about 72242.4149098021. The cubic root of 5218966512 is about 1734.5820055155.

The spelling of 5218966512 in words is "five billion, two hundred eighteen million, nine hundred sixty-six thousand, five hundred twelve".