16528434557712 has 320 divisors, whose sum is σ = 56379246925824. Its totient is φ = 4039606149120.

The previous prime is 16528434557669. The next prime is 16528434557717. The reversal of 16528434557712 is 21775543482561.

It is not an unprimeable number, because it can be changed into a prime (16528434557717) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 285668178 + ... + 285726030.

Almost surely, 2^{16528434557712} is an apocalyptic number.

16528434557712 is a gapful number since it is divisible by the number (12) 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 16528434557712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28189623462912).

16528434557712 is an abundant number, since it is smaller than the sum of its proper divisors (39850812368112).

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

16528434557712 is a wasteful number, since it uses less digits than its factorization.

16528434557712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62446 (or 62440 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 60.

The spelling of 16528434557712 in words is "sixteen trillion, five hundred twenty-eight billion, four hundred thirty-four million, five hundred fifty-seven thousand, seven hundred twelve".