16655513324416 has 128 divisors (see below), whose sum is σ = 34385837875200. Its totient is φ = 8029561300992.

The previous prime is 16655513324293. The next prime is 16655513324431. The reversal of 16655513324416 is 61442331555661.

16655513324416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×16655513324416² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533490055 + ... + 533521273.

It is an arithmetic number, because the mean of its divisors is an integer number (268639358400).

Almost surely, 2^{16655513324416} is an apocalyptic number.

16655513324416 is a gapful number since it is divisible by the number (16) 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 16655513324416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17192918937600).

16655513324416 is an abundant number, since it is smaller than the sum of its proper divisors (17730324550784).

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

16655513324416 is a wasteful number, since it uses less digits than its factorization.

16655513324416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32284 (or 32272 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 52.

The spelling of 16655513324416 in words is "sixteen trillion, six hundred fifty-five billion, five hundred thirteen million, three hundred twenty-four thousand, four hundred sixteen".