16825338 has 24 divisors (see below), whose sum is σ = 36530676. Its totient is φ = 5596800.

The previous prime is 16825337. The next prime is 16825339. The reversal of 16825338 is 83352861.

It is an interprime number because it is at equal distance from previous prime (16825337) and next prime (16825339).

It can be written as a sum of positive squares in 2 ways, for example, as 16670889 + 154449 = 4083^2 + 393^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16825331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15328 + ... + 16388.

It is a vampire number, since it can be written as 3183 ⋅ 5286 (with its own digits).

Almost surely, 2^16825338 is an apocalyptic number.

16825338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16825338 is an abundant number, since it is smaller than the sum of its proper divisors (19705338).

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

16825338 is a wasteful number, since it uses less digits than its factorization.

16825338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1947 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 16825338 is about 4101.8700613257. The cubic root of 16825338 is about 256.2445275056.

The spelling of 16825338 in words is "sixteen million, eight hundred twenty-five thousand, three hundred thirty-eight".