16644441203052 has 48 divisors (see below), whose sum is σ = 41979974772960. Its totient is φ = 5102327973888.

The previous prime is 16644441203051. The next prime is 16644441203057. The reversal of 16644441203052 is 25030214444661.

It is a super-3 number, since 3×16644441203052³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16644441202995 and 16644441203013.

It is not an unprimeable number, because it can be changed into a prime (16644441203051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198276133 + ... + 198360060.

It is an arithmetic number, because the mean of its divisors is an integer number (874582807770).

Almost surely, 2^{16644441203052} is an apocalyptic number.

16644441203052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16644441203052 is an abundant number, since it is smaller than the sum of its proper divisors (25335533569908).

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

16644441203052 is a wasteful number, since it uses less digits than its factorization.

16644441203052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396636482 (or 396636480 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 16644441203052 in words is "sixteen trillion, six hundred forty-four billion, four hundred forty-one million, two hundred three thousand, fifty-two".