16869438288 has 120 divisors (see below), whose sum is σ = 47734801920. Its totient is φ = 5561118720.

The previous prime is 16869438277. The next prime is 16869438347. The reversal of 16869438288 is 88283496861.

16869438288 is a `hidden beast` number, since 1 + 68 + 69 + 438 + 2 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4973073 + ... + 4976463.

It is an arithmetic number, because the mean of its divisors is an integer number (397790016).

Almost surely, 2^16869438288 is an apocalyptic number.

16869438288 is a gapful number since it is divisible by the number (18) 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 16869438288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23867400960).

16869438288 is an abundant number, since it is smaller than the sum of its proper divisors (30865363632).

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

16869438288 is a wasteful number, since it uses less digits than its factorization.

16869438288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3768 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The spelling of 16869438288 in words is "sixteen billion, eight hundred sixty-nine million, four hundred thirty-eight thousand, two hundred eighty-eight".