6616455244 has 24 divisors (see below), whose sum is σ = 13281755648. Its totient is φ = 2825156880.

The previous prime is 6616455191. The next prime is 6616455259. The reversal of 6616455244 is 4425546166.

It is a self number, because there is not a number n which added to its sum of digits gives 6616455244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428394 + ... + 443569.

Almost surely, 2^6616455244 is an apocalyptic number.

It is an amenable number.

6616455244 is an abundant number, since it is smaller than the sum of its proper divisors (6665300404).

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

6616455244 is a wasteful number, since it uses less digits than its factorization.

6616455244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872245 (or 872243 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 6616455244 is about 81341.5960256498. The cubic root of 6616455244 is about 1877.3350694569.

The spelling of 6616455244 in words is "six billion, six hundred sixteen million, four hundred fifty-five thousand, two hundred forty-four".