16670616567271 has 4 divisors (see below), whose sum is σ = 16677874130112. Its totient is φ = 16663359004432.

The previous prime is 16670616567257. The next prime is 16670616567289. The reversal of 16670616567271 is 17276561607661.

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

It is a cyclic number.

It is not a de Polignac number, because 16670616567271 - 2¹¹ = 16670616565223 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 (16670616567071) 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, 3628777975 + ... + 3628782568.

It is an arithmetic number, because the mean of its divisors is an integer number (4169468532528).

Almost surely, 2^{16670616567271} is an apocalyptic number.

16670616567271 is a deficient number, since it is larger than the sum of its proper divisors (7257562841).

16670616567271 is an equidigital number, since it uses as much as digits as its factorization.

16670616567271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257562840.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 16670616567271 in words is "sixteen trillion, six hundred seventy billion, six hundred sixteen million, five hundred sixty-seven thousand, two hundred seventy-one".