16854845280 has 768 divisors, whose sum is σ = 71856046080. Its totient is φ = 3218890752.

The previous prime is 16854845219. The next prime is 16854845291. The reversal of 16854845280 is 8254845861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19087719 + ... + 19088601.

It is an arithmetic number, because the mean of its divisors is an integer number (93562560).

Almost surely, 2^16854845280 is an apocalyptic number.

16854845280 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 16854845280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35928023040).

16854845280 is an abundant number, since it is smaller than the sum of its proper divisors (55001200800).

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

16854845280 is a wasteful number, since it uses less digits than its factorization.

16854845280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 16854845280 in words is "sixteen billion, eight hundred fifty-four million, eight hundred forty-five thousand, two hundred eighty".