16655641344 has 54 divisors (see below), whose sum is σ = 48022326716. Its totient is φ = 5551879680.

The previous prime is 16655641339. The next prime is 16655641349. The reversal of 16655641344 is 44314655661.

16655641344 is a `hidden beast` number, since 1 + 66 + 556 + 4 + 1 + 34 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (16655641339) and next prime (16655641349).

It is a self number, because there is not a number n which added to its sum of digits gives 16655641344.

It is not an unprimeable number, because it can be changed into a prime (16655641349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3612202 + ... + 3616809.

Almost surely, 2^16655641344 is an apocalyptic number.

It is an amenable number.

16655641344 is an abundant number, since it is smaller than the sum of its proper divisors (31366685372).

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

16655641344 is an equidigital number, since it uses as much as digits as its factorization.

16655641344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229033 (or 7229016 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 16655641344 in words is "sixteen billion, six hundred fifty-five million, six hundred forty-one thousand, three hundred forty-four".