16881382 has 12 divisors (see below), whose sum is σ = 29456460. Its totient is φ = 7234836.

The previous prime is 16881377. The next prime is 16881419. The reversal of 16881382 is 28318861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86032 + ... + 86227.

It is an arithmetic number, because the mean of its divisors is an integer number (2454705).

Almost surely, 2^16881382 is an apocalyptic number.

16881382 is a deficient number, since it is larger than the sum of its proper divisors (12575078).

16881382 is a wasteful number, since it uses less digits than its factorization.

16881382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172275 (or 172268 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 16881382 is about 4108.6959001610. The cubic root of 16881382 is about 256.5287229379.

The spelling of 16881382 in words is "sixteen million, eight hundred eighty-one thousand, three hundred eighty-two".