16800840 has 192 divisors, whose sum is σ = 64022400. Its totient is φ = 3741696.

The previous prime is 16800829. The next prime is 16800869. The reversal of 16800840 is 4800861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148624 + ... + 148736.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

Almost surely, 2^16800840 is an apocalyptic number.

16800840 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 16800840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32011200).

16800840 is an abundant number, since it is smaller than the sum of its proper divisors (47221560).

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

16800840 is a wasteful number, since it uses less digits than its factorization.

16800840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 16800840 is about 4098.8827746107. The cubic root of 16800840 is about 256.1201015236.

The spelling of 16800840 in words is "sixteen million, eight hundred thousand, eight hundred forty".