16981922 has 8 divisors (see below), whose sum is σ = 25831872. Its totient is φ = 8371300.

The previous prime is 16981903. The next prime is 16981931. The reversal of 16981922 is 22918961.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 59654 + ... + 59937.

It is an arithmetic number, because the mean of its divisors is an integer number (3228984).

Almost surely, 2^16981922 is an apocalyptic number.

16981922 is a deficient number, since it is larger than the sum of its proper divisors (8849950).

16981922 is a wasteful number, since it uses less digits than its factorization.

16981922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119664.

The product of its digits is 15552, while the sum is 38.

The square root of 16981922 is about 4120.9127629689. The cubic root of 16981922 is about 257.0369823689.

The spelling of 16981922 in words is "sixteen million, nine hundred eighty-one thousand, nine hundred twenty-two".