16516775065705 has 16 divisors (see below), whose sum is σ = 21049421992704. Its totient is φ = 12398588547840.

The previous prime is 16516775065669. The next prime is 16516775065711. The reversal of 16516775065705 is 50756057761561.

It is not a de Polignac number, because 16516775065705 - 2⁷ = 16516775065577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293499057 + ... + 293555326.

It is an arithmetic number, because the mean of its divisors is an integer number (1315588874544).

Almost surely, 2^{16516775065705} is an apocalyptic number.

It is an amenable number.

16516775065705 is a deficient number, since it is larger than the sum of its proper divisors (4532646926999).

16516775065705 is a wasteful number, since it uses less digits than its factorization.

16516775065705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587054736.

The product of its (nonzero) digits is 46305000, while the sum is 61.

The spelling of 16516775065705 in words is "sixteen trillion, five hundred sixteen billion, seven hundred seventy-five million, sixty-five thousand, seven hundred five".