16526791680 has 704 divisors, whose sum is σ = 64971583488. Its totient is φ = 3503554560.

The previous prime is 16526791661. The next prime is 16526791709. The reversal of 16526791680 is 8619762561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101391279 + ... + 101391441.

Almost surely, 2^16526791680 is an apocalyptic number.

16526791680 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 16526791680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32485791744).

16526791680 is an abundant number, since it is smaller than the sum of its proper divisors (48444791808).

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

16526791680 is a wasteful number, since it uses less digits than its factorization.

16526791680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 16526791680 in words is "sixteen billion, five hundred twenty-six million, seven hundred ninety-one thousand, six hundred eighty".