16817051272161 has 8 divisors (see below), whose sum is σ = 25625982890944. Its totient is φ = 9609743584080.

The previous prime is 16817051272081. The next prime is 16817051272237. The reversal of 16817051272161 is 16127215071861.

16817051272161 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 not a de Polignac number, because 16817051272161 - 2²⁶ = 16816984163297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16817051272161.

It is not an unprimeable number, because it can be changed into a prime (16817051273161) 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, 400405982650 + ... + 400405982691.

It is an arithmetic number, because the mean of its divisors is an integer number (3203247861368).

Almost surely, 2^{16817051272161} is an apocalyptic number.

It is an amenable number.

16817051272161 is a deficient number, since it is larger than the sum of its proper divisors (8808931618783).

16817051272161 is an equidigital number, since it uses as much as digits as its factorization.

16817051272161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800811965351.

The product of its (nonzero) digits is 282240, while the sum is 48.

The spelling of 16817051272161 in words is "sixteen trillion, eight hundred seventeen billion, fifty-one million, two hundred seventy-two thousand, one hundred sixty-one".