6648440113 has 8 divisors (see below), whose sum is σ = 7614847232. Its totient is φ = 5686190496.

The previous prime is 6648440063. The next prime is 6648440129. The reversal of 6648440113 is 3110448466.

6648440113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6648440113 - 2²⁹ = 6111569201 is a prime.

It is a super-2 number, since 2×6648440113² = 88403511872294905538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6648441113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035945 + ... + 1042342.

It is an arithmetic number, because the mean of its divisors is an integer number (951855904).

Almost surely, 2^6648440113 is an apocalyptic number.

It is an amenable number.

6648440113 is a deficient number, since it is larger than the sum of its proper divisors (966407119).

6648440113 is a wasteful number, since it uses less digits than its factorization.

6648440113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078751.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 6648440113 is about 81537.9673097141. The cubic root of 6648440113 is about 1880.3553079203.

Adding to 6648440113 its reverse (3110448466), we get a palindrome (9758888579).

The spelling of 6648440113 in words is "six billion, six hundred forty-eight million, four hundred forty thousand, one hundred thirteen".