6648127716 has 72 divisors (see below), whose sum is σ = 15918646464. Its totient is φ = 2159381120.

The previous prime is 6648127711. The next prime is 6648127727. The reversal of 6648127716 is 6177218466.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648127711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5628646 + ... + 5629826.

It is an arithmetic number, because the mean of its divisors is an integer number (221092312).

Almost surely, 2^6648127716 is an apocalyptic number.

It is an amenable number.

6648127716 is an abundant number, since it is smaller than the sum of its proper divisors (9270518748).

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

6648127716 is a wasteful number, since it uses less digits than its factorization.

6648127716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1406 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 6648127716 is about 81536.0516336179. The cubic root of 6648127716 is about 1880.3258560716.

The spelling of 6648127716 in words is "six billion, six hundred forty-eight million, one hundred twenty-seven thousand, seven hundred sixteen".