16722366 has 8 divisors (see below), whose sum is σ = 33444744. Its totient is φ = 5574120.

The previous prime is 16722347. The next prime is 16722371. The reversal of 16722366 is 66322761.

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

16722366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393525 + ... + 1393536.

It is an arithmetic number, because the mean of its divisors is an integer number (4180593).

Almost surely, 2^16722366 is an apocalyptic number.

16722366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16722366 is a wasteful number, since it uses less digits than its factorization.

16722366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787066.

The product of its digits is 18144, while the sum is 33.

The square root of 16722366 is about 4089.2989619249. The cubic root of 16722366 is about 255.7207138938.

The spelling of 16722366 in words is "sixteen million, seven hundred twenty-two thousand, three hundred sixty-six".