16873489017840 has 640 divisors, whose sum is σ = 71753547479040. Its totient is φ = 3174347833344.

The previous prime is 16873489017797. The next prime is 16873489017863. The reversal of 16873489017840 is 4871098437861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5858352 + ... + 8250288.

It is an arithmetic number, because the mean of its divisors is an integer number (112114917936).

Almost surely, 2^{16873489017840} is an apocalyptic number.

16873489017840 is a gapful number since it is divisible by the number (10) 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 16873489017840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35876773739520).

16873489017840 is an abundant number, since it is smaller than the sum of its proper divisors (54880058461200).

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

16873489017840 is a wasteful number, since it uses less digits than its factorization.

16873489017840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392009 (or 2392003 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 16873489017840 in words is "sixteen trillion, eight hundred seventy-three billion, four hundred eighty-nine million, seventeen thousand, eight hundred forty".