6551048064 has 128 divisors (see below), whose sum is σ = 19058561280. Its totient is φ = 1977282560.

The previous prime is 6551048041. The next prime is 6551048069. The reversal of 6551048064 is 4608401556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551048069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107964 + ... + 1113860.

It is an arithmetic number, because the mean of its divisors is an integer number (148895010).

Almost surely, 2^6551048064 is an apocalyptic number.

6551048064 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 6551048064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9529280640).

6551048064 is an abundant number, since it is smaller than the sum of its proper divisors (12507513216).

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

6551048064 is a wasteful number, since it uses less digits than its factorization.

6551048064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188 (or 6176 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 6551048064 is about 80938.5449832155. The cubic root of 6551048064 is about 1871.1284203312.

The spelling of 6551048064 in words is "six billion, five hundred fifty-one million, forty-eight thousand, sixty-four".