16552568928 has 96 divisors (see below), whose sum is σ = 50037039360. Its totient is φ = 4693178880.

The previous prime is 16552568881. The next prime is 16552569013. The reversal of 16552568928 is 82986525561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 5983 + ... + 182046.

It is an arithmetic number, because the mean of its divisors is an integer number (521219160).

Almost surely, 2^16552568928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16552568928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25018519680).

16552568928 is an abundant number, since it is smaller than the sum of its proper divisors (33484470432).

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

16552568928 is a wasteful number, since it uses less digits than its factorization.

16552568928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188180 (or 188172 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 57.

The spelling of 16552568928 in words is "sixteen billion, five hundred fifty-two million, five hundred sixty-eight thousand, nine hundred twenty-eight".