16881836 has 12 divisors (see below), whose sum is σ = 30172128. Its totient is φ = 8261232.

The previous prime is 16881829. The next prime is 16881841. The reversal of 16881836 is 63818861.

It is a junction number, because it is equal to n+sod(n) for n = 16881793 and 16881802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44711 + ... + 45086.

It is an arithmetic number, because the mean of its divisors is an integer number (2514344).

Almost surely, 2^16881836 is an apocalyptic number.

It is an amenable number.

16881836 is a deficient number, since it is larger than the sum of its proper divisors (13290292).

16881836 is a wasteful number, since it uses less digits than its factorization.

16881836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89848 (or 89846 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 16881836 is about 4108.7511484635. The cubic root of 16881836 is about 256.5310225718.

The spelling of 16881836 in words is "sixteen million, eight hundred eighty-one thousand, eight hundred thirty-six".