4168648648 has 64 divisors (see below), whose sum is σ = 8060598000. Its totient is φ = 2020515840.

The previous prime is 4168648643. The next prime is 4168648681. The reversal of 4168648648 is 8468468614.

4168648648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 307020484 + 3861628164 = 17522^2 + 62142^2 .

It is not an unprimeable number, because it can be changed into a prime (4168648643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11944378 + ... + 11944726.

Almost surely, 2^4168648648 is an apocalyptic number.

It is an amenable number.

4168648648 is a deficient number, since it is larger than the sum of its proper divisors (3891949352).

4168648648 is a wasteful number, since it uses less digits than its factorization.

4168648648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 718 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 55.

The square root of 4168648648 is about 64565.0729729317. The cubic root of 4168648648 is about 1609.4040781565.

The spelling of 4168648648 in words is "four billion, one hundred sixty-eight million, six hundred forty-eight thousand, six hundred forty-eight".