16560964880 has 40 divisors (see below), whose sum is σ = 39156868800. Its totient is φ = 6512106368.

The previous prime is 16560964867. The next prime is 16560964891. The reversal of 16560964880 is 8846906561.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749620 + ... + 1759059.

It is an arithmetic number, because the mean of its divisors is an integer number (978921720).

Almost surely, 2^16560964880 is an apocalyptic number.

16560964880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16560964880 is an abundant number, since it is smaller than the sum of its proper divisors (22595903920).

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

16560964880 is a wasteful number, since it uses less digits than its factorization.

16560964880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508751 (or 3508745 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 16560964880 in words is "sixteen billion, five hundred sixty million, nine hundred sixty-four thousand, eight hundred eighty".