16808818560 has 128 divisors (see below), whose sum is σ = 54589347360. Its totient is φ = 4397752320.

The previous prime is 16808818489. The next prime is 16808818567. The reversal of 16808818560 is 6581880861.

16808818560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16808818567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19170 + ... + 184350.

Almost surely, 2^16808818560 is an apocalyptic number.

16808818560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16808818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27294673680).

16808818560 is an abundant number, since it is smaller than the sum of its proper divisors (37780528800).

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

16808818560 is a wasteful number, since it uses less digits than its factorization.

16808818560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165256 (or 165244 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 16808818560 in words is "sixteen billion, eight hundred eight million, eight hundred eighteen thousand, five hundred sixty".