16808274 has 144 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 4209408.

The previous prime is 16808269. The next prime is 16808299. The reversal of 16808274 is 47280861.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 284857 + ... + 284915.

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

Almost surely, 2^16808274 is an apocalyptic number.

16808274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16808274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24008400).

16808274 is an abundant number, since it is smaller than the sum of its proper divisors (31208526).

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

16808274 is a wasteful number, since it uses less digits than its factorization.

16808274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 16808274 is about 4099.7895067918. The cubic root of 16808274 is about 256.1578717795.

The spelling of 16808274 in words is "sixteen million, eight hundred eight thousand, two hundred seventy-four".