16881341 has 4 divisors (see below), whose sum is σ = 16931772. Its totient is φ = 16830912.

The previous prime is 16881317. The next prime is 16881353. The reversal of 16881341 is 14318861.

It is a happy number.

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 2220100 + 14661241 = 1490^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 16881341 - 2¹⁰ = 16880317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16881298 and 16881307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16881301) 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, 24710 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (4232943).

Almost surely, 2^16881341 is an apocalyptic number.

It is an amenable number.

16881341 is a deficient number, since it is larger than the sum of its proper divisors (50431).

16881341 is an equidigital number, since it uses as much as digits as its factorization.

16881341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50430.

The product of its digits is 4608, while the sum is 32.

The square root of 16881341 is about 4108.6909107403. The cubic root of 16881341 is about 256.5285152597.

The spelling of 16881341 in words is "sixteen million, eight hundred eighty-one thousand, three hundred forty-one".