16677120211 has 4 divisors (see below), whose sum is σ = 17554863400. Its totient is φ = 15799377024.

The previous prime is 16677120199. The next prime is 16677120217. The reversal of 16677120211 is 11202177661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11202177661 = 88897 ⋅126013.

It is a cyclic number.

It is not a de Polignac number, because 16677120211 - 2¹¹ = 16677118163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16677120217) 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, 438871566 + ... + 438871603.

It is an arithmetic number, because the mean of its divisors is an integer number (4388715850).

Almost surely, 2^16677120211 is an apocalyptic number.

16677120211 is a deficient number, since it is larger than the sum of its proper divisors (877743189).

16677120211 is an equidigital number, since it uses as much as digits as its factorization.

16677120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877743188.

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 16677120211 its reverse (11202177661), we get a palindrome (27879297872).

The spelling of 16677120211 in words is "sixteen billion, six hundred seventy-seven million, one hundred twenty thousand, two hundred eleven".