16605000560 has 80 divisors (see below), whose sum is σ = 39170394720. Its totient is φ = 6545510400.

The previous prime is 16605000557. The next prime is 16605000569. The reversal of 16605000560 is 6500050661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16605000569) 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, 2224835 + ... + 2232285.

It is an arithmetic number, because the mean of its divisors is an integer number (489629934).

Almost surely, 2^16605000560 is an apocalyptic number.

16605000560 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 16605000560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19585197360).

16605000560 is an abundant number, since it is smaller than the sum of its proper divisors (22565394160).

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

16605000560 is a wasteful number, since it uses less digits than its factorization.

16605000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866 (or 7860 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 16605000560 in words is "sixteen billion, six hundred five million, five hundred sixty", and thus it is an aban number.