16885244128 has 48 divisors (see below), whose sum is σ = 34098261120. Its totient is φ = 8226320256.

The previous prime is 16885244099. The next prime is 16885244183. The reversal of 16885244128 is 82144258861.

It is a super-2 number, since 2×16885244128² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561901 + ... + 591187.

It is an arithmetic number, because the mean of its divisors is an integer number (710380440).

Almost surely, 2^16885244128 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 16885244128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17049130560).

16885244128 is an abundant number, since it is smaller than the sum of its proper divisors (17213016992).

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

16885244128 is a wasteful number, since it uses less digits than its factorization.

16885244128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29759 (or 29751 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The spelling of 16885244128 in words is "sixteen billion, eight hundred eighty-five million, two hundred forty-four thousand, one hundred twenty-eight".