6216697344 has 480 divisors, whose sum is σ = 20480689152. Its totient is φ = 1662566400.

The previous prime is 6216697337. The next prime is 6216697369. The reversal of 6216697344 is 4437966126.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6216697293 and 6216697302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74899927 + ... + 74900009.

Almost surely, 2^6216697344 is an apocalyptic number.

6216697344 is a gapful number since it is divisible by the number (64) 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 6216697344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10240344576).

6216697344 is an abundant number, since it is smaller than the sum of its proper divisors (14263991808).

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

6216697344 is a wasteful number, since it uses less digits than its factorization.

6216697344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 143 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 6216697344 is about 78846.0356898177. The cubic root of 6216697344 is about 1838.7382401898.

The spelling of 6216697344 in words is "six billion, two hundred sixteen million, six hundred ninety-seven thousand, three hundred forty-four".