16181041 has 4 divisors (see below), whose sum is σ = 16192000. Its totient is φ = 16170084.

The previous prime is 16181023. The next prime is 16181051. The reversal of 16181041 is 14018161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16181041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16181051) 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, 2841 + ... + 6358.

It is an arithmetic number, because the mean of its divisors is an integer number (4048000).

Almost surely, 2^16181041 is an apocalyptic number.

It is an amenable number.

16181041 is a deficient number, since it is larger than the sum of its proper divisors (10959).

16181041 is an equidigital number, since it uses as much as digits as its factorization.

16181041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 16181041 is about 4022.5664693079. The cubic root of 16181041 is about 252.9310534056.

The spelling of 16181041 in words is "sixteen million, one hundred eighty-one thousand, forty-one".