16650044512000 has 72 divisors (see below), whose sum is σ = 41477342214672. Its totient is φ = 6660017792000.

The previous prime is 16650044511983. The next prime is 16650044512021. The reversal of 16650044512000 is 21544005661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260124946 + ... + 260188945.

It is an arithmetic number, because the mean of its divisors is an integer number (576074197426).

Almost surely, 2^{16650044512000} is an apocalyptic number.

16650044512000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16650044512000 is an abundant number, since it is smaller than the sum of its proper divisors (24827297702672).

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

16650044512000 is an frugal number, since it uses more digits than its factorization.

16650044512000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520313922 (or 520313898 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 16650044512000 its reverse (21544005661), we get a palindrome (16671588517661).

The spelling of 16650044512000 in words is "sixteen trillion, six hundred fifty billion, forty-four million, five hundred twelve thousand".