16722344445 has 8 divisors (see below), whose sum is σ = 26755751136. Its totient is φ = 8918583696.

The previous prime is 16722344377. The next prime is 16722344497. The reversal of 16722344445 is 54444322761.

It is a happy number.

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

It is not a de Polignac number, because 16722344445 - 2⁹ = 16722343933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16722344397 and 16722344406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557411467 + ... + 557411496.

It is an arithmetic number, because the mean of its divisors is an integer number (3344468892).

Almost surely, 2^16722344445 is an apocalyptic number.

16722344445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16722344445 is a deficient number, since it is larger than the sum of its proper divisors (10033406691).

16722344445 is a wasteful number, since it uses less digits than its factorization.

16722344445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114822971.

The product of its digits is 645120, while the sum is 42.

The spelling of 16722344445 in words is "sixteen billion, seven hundred twenty-two million, three hundred forty-four thousand, four hundred forty-five".