16891489248 has 96 divisors (see below), whose sum is σ = 46301455872. Its totient is φ = 5381798400.

The previous prime is 16891489213. The next prime is 16891489261. The reversal of 16891489248 is 84298419861.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 16891489191 and 16891489200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6050733 + ... + 6053523.

It is an arithmetic number, because the mean of its divisors is an integer number (482306832).

Almost surely, 2^16891489248 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 16891489248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23150727936).

16891489248 is an abundant number, since it is smaller than the sum of its proper divisors (29409966624).

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

16891489248 is a wasteful number, since it uses less digits than its factorization.

16891489248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5560 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The spelling of 16891489248 in words is "sixteen billion, eight hundred ninety-one million, four hundred eighty-nine thousand, two hundred forty-eight".