2644704168 has 16 divisors (see below), whose sum is σ = 6611760480. Its totient is φ = 881568048.

The previous prime is 2644704157. The next prime is 2644704193. The reversal of 2644704168 is 8614074462.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55097980 + ... + 55098027.

It is an arithmetic number, because the mean of its divisors is an integer number (413235030).

Almost surely, 2^2644704168 is an apocalyptic number.

It is an amenable number.

2644704168 is an abundant number, since it is smaller than the sum of its proper divisors (3967056312).

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

2644704168 is a wasteful number, since it uses less digits than its factorization.

2644704168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110196016 (or 110196012 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 2644704168 is about 51426.6873131062. The cubic root of 2644704168 is about 1382.9050627338.

The spelling of 2644704168 in words is "two billion, six hundred forty-four million, seven hundred four thousand, one hundred sixty-eight".