16800540 has 24 divisors (see below), whose sum is σ = 47041680. Its totient is φ = 4480128.

The previous prime is 16800473. The next prime is 16800569. The reversal of 16800540 is 4500861.

It is a self number, because there is not a number n which added to its sum of digits gives 16800540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139945 + ... + 140064.

It is an arithmetic number, because the mean of its divisors is an integer number (1960070).

Almost surely, 2^16800540 is an apocalyptic number.

16800540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16800540 is an abundant number, since it is smaller than the sum of its proper divisors (30241140).

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

16800540 is a wasteful number, since it uses less digits than its factorization.

16800540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280021 (or 280019 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 16800540 is about 4098.8461791094. The cubic root of 16800540 is about 256.1185770663.

The spelling of 16800540 in words is "sixteen million, eight hundred thousand, five hundred forty".