6648874220 has 12 divisors (see below), whose sum is σ = 13962635904. Its totient is φ = 2659549680.

The previous prime is 6648874213. The next prime is 6648874249. The reversal of 6648874220 is 224788466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166221836 + ... + 166221875.

It is an arithmetic number, because the mean of its divisors is an integer number (1163552992).

Almost surely, 2^6648874220 is an apocalyptic number.

It is an amenable number.

6648874220 is an abundant number, since it is smaller than the sum of its proper divisors (7313761684).

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

6648874220 is a wasteful number, since it uses less digits than its factorization.

6648874220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332443720 (or 332443718 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 6648874220 is about 81540.6292592840. The cubic root of 6648874220 is about 1880.3962326897.

The spelling of 6648874220 in words is "six billion, six hundred forty-eight million, eight hundred seventy-four thousand, two hundred twenty".