16444622554 has 8 divisors (see below), whose sum is σ = 24668095680. Its totient is φ = 8221923996.

The previous prime is 16444622503. The next prime is 16444622599. The reversal of 16444622554 is 45522644461.

16444622554 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×16444622554² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16444622554.

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, 137284 + ... + 227455.

It is an arithmetic number, because the mean of its divisors is an integer number (3083511960).

Almost surely, 2^16444622554 is an apocalyptic number.

16444622554 is a deficient number, since it is larger than the sum of its proper divisors (8223473126).

16444622554 is a wasteful number, since it uses less digits than its factorization.

16444622554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387284.

The product of its digits is 921600, while the sum is 43.

The spelling of 16444622554 in words is "sixteen billion, four hundred forty-four million, six hundred twenty-two thousand, five hundred fifty-four".