6648774848 has 28 divisors (see below), whose sum is σ = 13619268672. Its totient is φ = 3217148160.

The previous prime is 6648774833. The next prime is 6648774857. The reversal of 6648774848 is 8484778466.

It is a Harshad number since it is a multiple of its sum of digits (62).

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, 1673615 + ... + 1677582.

Almost surely, 2^6648774848 is an apocalyptic number.

It is an amenable number.

6648774848 is an abundant number, since it is smaller than the sum of its proper divisors (6970493824).

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

6648774848 is a wasteful number, since it uses less digits than its factorization.

6648774848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351240 (or 3351230 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 62.

The square root of 6648774848 is about 81540.0199166029. The cubic root of 6648774848 is about 1880.3868647046.

The spelling of 6648774848 in words is "six billion, six hundred forty-eight million, seven hundred seventy-four thousand, eight hundred forty-eight".