16560927684 has 192 divisors, whose sum is σ = 50713600000. Its totient is φ = 4670973216.

The previous prime is 16560927673. The next prime is 16560927697. The reversal of 16560927684 is 48672906561.

16560927684 is a `hidden beast` number, since 1 + 6 + 5 + 609 + 27 + 6 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16560927684.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2923647 + ... + 2929305.

Almost surely, 2^16560927684 is an apocalyptic number.

16560927684 is a gapful number since it is divisible by the number (14) 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 16560927684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25356800000).

16560927684 is an abundant number, since it is smaller than the sum of its proper divisors (34152672316).

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

16560927684 is a wasteful number, since it uses less digits than its factorization.

16560927684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16560927684 in words is "sixteen billion, five hundred sixty million, nine hundred twenty-seven thousand, six hundred eighty-four".