16728222224 has 80 divisors (see below), whose sum is σ = 39247452288. Its totient is φ = 6742788096.

The previous prime is 16728222223. The next prime is 16728222227. The reversal of 16728222224 is 42222282761.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16728222223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4268714 + ... + 4272630.

Almost surely, 2^16728222224 is an apocalyptic number.

16728222224 is a gapful number since it is divisible by the number (14) 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 16728222224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19623726144).

16728222224 is an abundant number, since it is smaller than the sum of its proper divisors (22519230064).

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

16728222224 is a wasteful number, since it uses less digits than its factorization.

16728222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192 (or 6186 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The spelling of 16728222224 in words is "sixteen billion, seven hundred twenty-eight million, two hundred twenty-two thousand, two hundred twenty-four".