16560375413 has 4 divisors (see below), whose sum is σ = 16724339628. Its totient is φ = 16396411200.

The previous prime is 16560375373. The next prime is 16560375421. The reversal of 16560375413 is 31457306561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14405280484 + 2155094929 = 120022^2 + 46423^2 .

It is a cyclic number.

It is not a de Polignac number, because 16560375413 - 2⁸ = 16560375157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560375463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81981956 + ... + 81982157.

It is an arithmetic number, because the mean of its divisors is an integer number (4181084907).

Almost surely, 2^16560375413 is an apocalyptic number.

It is an amenable number.

16560375413 is a deficient number, since it is larger than the sum of its proper divisors (163964215).

16560375413 is a wasteful number, since it uses less digits than its factorization.

16560375413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163964214.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 16560375413 in words is "sixteen billion, five hundred sixty million, three hundred seventy-five thousand, four hundred thirteen".