3168640848440 has 16 divisors (see below), whose sum is σ = 7129441909080. Its totient is φ = 1267456339360.

The previous prime is 3168640848419. The next prime is 3168640848479. The reversal of 3168640848440 is 448480468613.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39608010566 + ... + 39608010645.

Almost surely, 2^{3168640848440} is an apocalyptic number.

It is an amenable number.

3168640848440 is an abundant number, since it is smaller than the sum of its proper divisors (3960801060640).

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

3168640848440 is a wasteful number, since it uses less digits than its factorization.

3168640848440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79216021222 (or 79216021218 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 3168640848440 in words is "three trillion, one hundred sixty-eight billion, six hundred forty million, eight hundred forty-eight thousand, four hundred forty".