5218005660 has 192 divisors, whose sum is σ = 17209221120. Its totient is φ = 1156377600.

The previous prime is 5218005601. The next prime is 5218005673. The reversal of 5218005660 is 665008125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7443310 + ... + 7444010.

It is an arithmetic number, because the mean of its divisors is an integer number (89631360).

Almost surely, 2^5218005660 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 5218005660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8604610560).

5218005660 is an abundant number, since it is smaller than the sum of its proper divisors (11991215460).

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

5218005660 is a wasteful number, since it uses less digits than its factorization.

5218005660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5218005660 is about 72235.7644107128. The cubic root of 5218005660 is about 1734.4755490055.

The spelling of 5218005660 in words is "five billion, two hundred eighteen million, five thousand, six hundred sixty".