6219668448 has 144 divisors (see below), whose sum is σ = 20302210656. Its totient is φ = 1769287680.

The previous prime is 6219668447. The next prime is 6219668453. The reversal of 6219668448 is 8448669126.

6219668448 is a `hidden beast` number, since 6 + 2 + 196 + 6 + 8 + 448 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6219668394 and 6219668403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6219668443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463108 + ... + 476348.

It is an arithmetic number, because the mean of its divisors is an integer number (140987574).

Almost surely, 2^6219668448 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 6219668448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10151105328).

6219668448 is an abundant number, since it is smaller than the sum of its proper divisors (14082542208).

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

6219668448 is a wasteful number, since it uses less digits than its factorization.

6219668448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497 (or 13486 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 6219668448 is about 78864.8746147485. The cubic root of 6219668448 is about 1839.0311187692.

The spelling of 6219668448 in words is "six billion, two hundred nineteen million, six hundred sixty-eight thousand, four hundred forty-eight".