6215317056 has 168 divisors, whose sum is σ = 19786457760. Its totient is φ = 1912315392.

The previous prime is 6215317037. The next prime is 6215317061. The reversal of 6215317056 is 6507135126.

6215317056 is a `hidden beast` number, since 6 + 2 + 1 + 531 + 70 + 56 = 666.

It is a super-2 number, since 2×6215317056² = 77260332213209014272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6215317056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281391 + ... + 302673.

Almost surely, 2^6215317056 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 6215317056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9893228880).

6215317056 is an abundant number, since it is smaller than the sum of its proper divisors (13571140704).

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

6215317056 is a wasteful number, since it uses less digits than its factorization.

6215317056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330 (or 21301 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 6215317056 is about 78837.2821449344. The cubic root of 6215317056 is about 1838.6021456235.

The spelling of 6215317056 in words is "six billion, two hundred fifteen million, three hundred seventeen thousand, fifty-six".