16516525260 has 96 divisors (see below), whose sum is σ = 47202140160. Its totient is φ = 4314256128.

The previous prime is 16516525217. The next prime is 16516525261. The reversal of 16516525260 is 6252561561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16516525261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588262 + ... + 615698.

It is an arithmetic number, because the mean of its divisors is an integer number (491688960).

Almost surely, 2^16516525260 is an apocalyptic number.

16516525260 is a gapful number since it is divisible by the number (10) 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 16516525260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23601070080).

16516525260 is an abundant number, since it is smaller than the sum of its proper divisors (30685614900).

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

16516525260 is a wasteful number, since it uses less digits than its factorization.

16516525260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655 (or 27653 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 16516525260 in words is "sixteen billion, five hundred sixteen million, five hundred twenty-five thousand, two hundred sixty".