16560065615 has 16 divisors (see below), whose sum is σ = 20990171136. Its totient is φ = 12522535200.

The previous prime is 16560065603. The next prime is 16560065647. The reversal of 16560065615 is 51656006561.

It is not a de Polignac number, because 16560065615 - 2²⁰ = 16559017039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235651 + ... + 1248980.

It is an arithmetic number, because the mean of its divisors is an integer number (1311885696).

Almost surely, 2^16560065615 is an apocalyptic number.

16560065615 is a deficient number, since it is larger than the sum of its proper divisors (4430105521).

16560065615 is a wasteful number, since it uses less digits than its factorization.

16560065615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484710.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 16560065615 in words is "sixteen billion, five hundred sixty million, sixty-five thousand, six hundred fifteen".