6548438016 has 132 divisors (see below), whose sum is σ = 19519274944. Its totient is φ = 2112307200.

The previous prime is 6548438011. The next prime is 6548438111. The reversal of 6548438016 is 6108348456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6548438011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274236 + ... + 297156.

Almost surely, 2^6548438016 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 6548438016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9759637472).

6548438016 is an abundant number, since it is smaller than the sum of its proper divisors (12970836928).

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

6548438016 is a wasteful number, since it uses less digits than its factorization.

6548438016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22978 (or 22957 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 6548438016 is about 80922.4197364365. The cubic root of 6548438016 is about 1870.8798909521.

The spelling of 6548438016 in words is "six billion, five hundred forty-eight million, four hundred thirty-eight thousand, sixteen".