6216447360 has 512 divisors, whose sum is σ = 22560768000. Its totient is φ = 1447649280.

The previous prime is 6216447331. The next prime is 6216447361. The reversal of 6216447360 is 637446126.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216447361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26010121 + ... + 26010359.

It is an arithmetic number, because the mean of its divisors is an integer number (44064000).

Almost surely, 2^6216447360 is an apocalyptic number.

6216447360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6216447360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11280384000).

6216447360 is an abundant number, since it is smaller than the sum of its proper divisors (16344320640).

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

6216447360 is a wasteful number, since it uses less digits than its factorization.

6216447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 6216447360 is about 78844.4504071149. The cubic root of 6216447360 is about 1838.7135935929.

The spelling of 6216447360 in words is "six billion, two hundred sixteen million, four hundred forty-seven thousand, three hundred sixty".