16795850447197 has 4 divisors (see below), whose sum is σ = 16796167995996. Its totient is φ = 16795532898400.

The previous prime is 16795850447161. The next prime is 16795850447303. The reversal of 16795850447197 is 79174405859761.

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 14138758103716 + 2657092343481 = 3760154^2 + 1630059^2 .

It is a cyclic number.

It is not a de Polignac number, because 16795850447197 - 2¹⁵ = 16795850414429 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 (16795250447197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158695048 + ... + 158800849.

It is an arithmetic number, because the mean of its divisors is an integer number (4199041998999).

Almost surely, 2^{16795850447197} is an apocalyptic number.

It is an amenable number.

16795850447197 is a deficient number, since it is larger than the sum of its proper divisors (317548799).

16795850447197 is an equidigital number, since it uses as much as digits as its factorization.

16795850447197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317548798.

The product of its (nonzero) digits is 533433600, while the sum is 73.

The spelling of 16795850447197 in words is "sixteen trillion, seven hundred ninety-five billion, eight hundred fifty million, four hundred forty-seven thousand, one hundred ninety-seven".