6648246117 has 36 divisors (see below), whose sum is σ = 10629339084. Its totient is φ = 3990032640.

The previous prime is 6648246113. The next prime is 6648246127. The reversal of 6648246117 is 7116428466.

6648246117 is a `hidden beast` number, since 6 + 6 + 4 + 8 + 24 + 611 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2670925761 + 3977320356 = 51681^2 + 63066^2 .

It is not a de Polignac number, because 6648246117 - 2² = 6648246113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648246113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39867 + ... + 122007.

It is an arithmetic number, because the mean of its divisors is an integer number (295259419).

Almost surely, 2^6648246117 is an apocalyptic number.

It is an amenable number.

6648246117 is a deficient number, since it is larger than the sum of its proper divisors (3981092967).

6648246117 is a wasteful number, since it uses less digits than its factorization.

6648246117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82210 (or 82184 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 6648246117 is about 81536.7776957123. Note that the first 3 decimals coincide. The cubic root of 6648246117 is about 1880.3370186700.

The spelling of 6648246117 in words is "six billion, six hundred forty-eight million, two hundred forty-six thousand, one hundred seventeen".