16228636288 has 128 divisors (see below), whose sum is σ = 36650232000. Its totient is φ = 7111360512.

The previous prime is 16228636283. The next prime is 16228636289. The reversal of 16228636288 is 88263682261.

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

It is not an unprimeable number, because it can be changed into a prime (16228636283) 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, 2435970 + ... + 2442622.

Almost surely, 2^16228636288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16228636288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18325116000).

16228636288 is an abundant number, since it is smaller than the sum of its proper divisors (20421595712).

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

16228636288 is a wasteful number, since it uses less digits than its factorization.

16228636288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 6750 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The spelling of 16228636288 in words is "sixteen billion, two hundred twenty-eight million, six hundred thirty-six thousand, two hundred eighty-eight".