16872311 has 4 divisors (see below), whose sum is σ = 16880592. Its totient is φ = 16864032.

The previous prime is 16872301. The next prime is 16872329. The reversal of 16872311 is 11327861.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11327861 = 491 ⋅23071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16872311 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 (16872301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 5951.

It is an arithmetic number, because the mean of its divisors is an integer number (4220148).

Almost surely, 2^16872311 is an apocalyptic number.

16872311 is a deficient number, since it is larger than the sum of its proper divisors (8281).

16872311 is an equidigital number, since it uses as much as digits as its factorization.

16872311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280.

The product of its digits is 2016, while the sum is 29.

The square root of 16872311 is about 4107.5918735921. The cubic root of 16872311 is about 256.4827672028.

The spelling of 16872311 in words is "sixteen million, eight hundred seventy-two thousand, three hundred eleven".