16716872227 has 4 divisors (see below), whose sum is σ = 18236587896. Its totient is φ = 15197156560.

The previous prime is 16716872197. The next prime is 16716872269. The reversal of 16716872227 is 72227861761.

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 16716872227 - 2¹¹ = 16716870179 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716872827) 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, 759857818 + ... + 759857839.

It is an arithmetic number, because the mean of its divisors is an integer number (4559146974).

Almost surely, 2^16716872227 is an apocalyptic number.

16716872227 is a deficient number, since it is larger than the sum of its proper divisors (1519715669).

16716872227 is a wasteful number, since it uses less digits than its factorization.

16716872227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519715668.

The product of its digits is 790272, while the sum is 49.

The spelling of 16716872227 in words is "sixteen billion, seven hundred sixteen million, eight hundred seventy-two thousand, two hundred twenty-seven".