16527438168 has 128 divisors (see below), whose sum is σ = 43306099200. Its totient is φ = 5251251200.

The previous prime is 16527438143. The next prime is 16527438223. The reversal of 16527438168 is 86183472561.

16527438168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16527438168.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16218763 + ... + 16219781.

It is an arithmetic number, because the mean of its divisors is an integer number (338328900).

Almost surely, 2^16527438168 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 16527438168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21653049600).

16527438168 is an abundant number, since it is smaller than the sum of its proper divisors (26778661032).

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

16527438168 is a wasteful number, since it uses less digits than its factorization.

16527438168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1429 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 16527438168 in words is "sixteen billion, five hundred twenty-seven million, four hundred thirty-eight thousand, one hundred sixty-eight".