16528932168 has 128 divisors (see below), whose sum is σ = 47855923200. Its totient is φ = 4659895296.

The previous prime is 16528932157. The next prime is 16528932179. The reversal of 16528932168 is 86123982561.

It is an interprime number because it is at equal distance from previous prime (16528932157) and next prime (16528932179).

It is a super-2 number, since 2×16528932168² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16528932168.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4535355 + ... + 4538997.

It is an arithmetic number, because the mean of its divisors is an integer number (373874400).

Almost surely, 2^16528932168 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 16528932168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23927961600).

16528932168 is an abundant number, since it is smaller than the sum of its proper divisors (31326991032).

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

16528932168 is a wasteful number, since it uses less digits than its factorization.

16528932168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011 (or 4007 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 16528932168 in words is "sixteen billion, five hundred twenty-eight million, nine hundred thirty-two thousand, one hundred sixty-eight".