6648481072 has 40 divisors (see below), whose sum is σ = 13363698240. Its totient is φ = 3200440320.

The previous prime is 6648481033. The next prime is 6648481111. The reversal of 6648481072 is 2701848466.

It is an interprime number because it is at equal distance from previous prime (6648481033) and next prime (6648481111).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143497 + ... + 184087.

It is an arithmetic number, because the mean of its divisors is an integer number (334092456).

Almost surely, 2^6648481072 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 6648481072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6681849120).

6648481072 is an abundant number, since it is smaller than the sum of its proper divisors (6715217168).

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

6648481072 is a wasteful number, since it uses less digits than its factorization.

6648481072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40981 (or 40975 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 6648481072 is about 81538.2184745289. The cubic root of 6648481072 is about 1880.3591693431.

The spelling of 6648481072 in words is "six billion, six hundred forty-eight million, four hundred eighty-one thousand, seventy-two".