16560133280 has 24 divisors (see below), whose sum is σ = 39123315252. Its totient is φ = 6624053248.

The previous prime is 16560133277. The next prime is 16560133301. The reversal of 16560133280 is 8233106561.

16560133280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13494074896 + 3066058384 = 116164^2 + 55372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16560133280.

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 3 ways as a sum of consecutive naturals, for example, 51750257 + ... + 51750576.

Almost surely, 2^16560133280 is an apocalyptic number.

16560133280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16560133280 is an abundant number, since it is smaller than the sum of its proper divisors (22563181972).

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

16560133280 is a wasteful number, since it uses less digits than its factorization.

16560133280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103500848 (or 103500840 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16560133280 in words is "sixteen billion, five hundred sixty million, one hundred thirty-three thousand, two hundred eighty".