6215350680 has 384 divisors, whose sum is σ = 26512012800. Its totient is φ = 1223424000.

The previous prime is 6215350657. The next prime is 6215350681. The reversal of 6215350680 is 860535126.

6215350680 is a `hidden beast` number, since 6 + 21 + 53 + 506 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6215350681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 520780 + ... + 532580.

It is an arithmetic number, because the mean of its divisors is an integer number (69041700).

Almost surely, 2^6215350680 is an apocalyptic number.

6215350680 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 6215350680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13256006400).

6215350680 is an abundant number, since it is smaller than the sum of its proper divisors (20296662120).

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

6215350680 is a wasteful number, since it uses less digits than its factorization.

6215350680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855 (or 11848 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6215350680 is about 78837.4953940065. The cubic root of 6215350680 is about 1838.6054611447.

The spelling of 6215350680 in words is "six billion, two hundred fifteen million, three hundred fifty thousand, six hundred eighty".