16516175616641 has 8 divisors (see below), whose sum is σ = 16521748251360. Its totient is φ = 16510603298112.

The previous prime is 16516175616571. The next prime is 16516175616649. The reversal of 16516175616641 is 14661657161561.

16516175616641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16516175616641 - 2³⁴ = 16498995747457 is a prime.

It is a super-2 number, since 2×16516175616641² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16516175616649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153096266 + ... + 153204108.

It is an arithmetic number, because the mean of its divisors is an integer number (2065218531420).

Almost surely, 2^{16516175616641} is an apocalyptic number.

It is an amenable number.

16516175616641 is a deficient number, since it is larger than the sum of its proper divisors (5572634719).

16516175616641 is a wasteful number, since it uses less digits than its factorization.

16516175616641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158095.

The product of its digits is 5443200, while the sum is 56.

The spelling of 16516175616641 in words is "sixteen trillion, five hundred sixteen billion, one hundred seventy-five million, six hundred sixteen thousand, six hundred forty-one".