16644710689152 has 768 divisors, whose sum is σ = 56102941843200. Its totient is φ = 4333463027712.

The previous prime is 16644710689069. The next prime is 16644710689157. The reversal of 16644710689152 is 25198601744661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16644710689157) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6259761999 + ... + 6259764657.

It is an arithmetic number, because the mean of its divisors is an integer number (73050705525).

Almost surely, 2^{16644710689152} is an apocalyptic number.

16644710689152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16644710689152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28051470921600).

16644710689152 is an abundant number, since it is smaller than the sum of its proper divisors (39458231154048).

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

16644710689152 is a wasteful number, since it uses less digits than its factorization.

16644710689152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 16644710689152 in words is "sixteen trillion, six hundred forty-four billion, seven hundred ten million, six hundred eighty-nine thousand, one hundred fifty-two".