5216211620 has 12 divisors (see below), whose sum is σ = 10954044444. Its totient is φ = 2086484640.

The previous prime is 5216211589. The next prime is 5216211647. The reversal of 5216211620 is 261126125.

It can be written as a sum of positive squares in 2 ways, for example, as 3651059776 + 1565151844 = 60424^2 + 39562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5216211620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130405271 + ... + 130405310.

It is an arithmetic number, because the mean of its divisors is an integer number (912837037).

Almost surely, 2^5216211620 is an apocalyptic number.

It is an amenable number.

5216211620 is an abundant number, since it is smaller than the sum of its proper divisors (5737832824).

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

5216211620 is a wasteful number, since it uses less digits than its factorization.

5216211620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260810590 (or 260810588 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 5216211620 is about 72223.3453946852. The cubic root of 5216211620 is about 1734.2767453881.

Adding to 5216211620 its reverse (261126125), we get a palindrome (5477337745).

The spelling of 5216211620 in words is "five billion, two hundred sixteen million, two hundred eleven thousand, six hundred twenty".