16525346208 has 96 divisors (see below), whose sum is σ = 49765072896. Its totient is φ = 4703524608.

The previous prime is 16525346171. The next prime is 16525346209. The reversal of 16525346208 is 80264352561.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 16525346208.

It is not an unprimeable number, because it can be changed into a prime (16525346209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129985 + ... + 223487.

It is an arithmetic number, because the mean of its divisors is an integer number (518386176).

Almost surely, 2^16525346208 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 16525346208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24882536448).

16525346208 is an abundant number, since it is smaller than the sum of its proper divisors (33239726688).

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

16525346208 is a wasteful number, since it uses less digits than its factorization.

16525346208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93786 (or 93778 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 16525346208 its reverse (80264352561), we get a palindrome (96789698769).

The spelling of 16525346208 in words is "sixteen billion, five hundred twenty-five million, three hundred forty-six thousand, two hundred eight".