16551550600 has 96 divisors (see below), whose sum is σ = 41629835520. Its totient is φ = 6083723520.

The previous prime is 16551550549. The next prime is 16551550607. The reversal of 16551550600 is 605515561.

16551550600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16551550607) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 565527 + ... + 594073.

It is an arithmetic number, because the mean of its divisors is an integer number (433644120).

Almost surely, 2^16551550600 is an apocalyptic number.

16551550600 is a gapful number since it is divisible by the number (10) 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 16551550600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20814917760).

16551550600 is an abundant number, since it is smaller than the sum of its proper divisors (25078284920).

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

16551550600 is a wasteful number, since it uses less digits than its factorization.

16551550600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799 (or 28790 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 16551550600 in words is "sixteen billion, five hundred fifty-one million, five hundred fifty thousand, six hundred".