16718218880 has 256 divisors, whose sum is σ = 46502501760. Its totient is φ = 5680005120.

The previous prime is 16718218877. The next prime is 16718218889. The reversal of 16718218880 is 8881281761.

16718218880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16718218889) 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 31 ways as a sum of consecutive naturals, for example, 19507412 + ... + 19508268.

Almost surely, 2^16718218880 is an apocalyptic number.

16718218880 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 16718218880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23251250880).

16718218880 is an abundant number, since it is smaller than the sum of its proper divisors (29784282880).

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

16718218880 is a wasteful number, since it uses less digits than its factorization.

16718218880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 50.

The spelling of 16718218880 in words is "sixteen billion, seven hundred eighteen million, two hundred eighteen thousand, eight hundred eighty".