11830161 has 16 divisors (see below), whose sum is σ = 18276224. Its totient is φ = 6666624.

The previous prime is 11830081. The next prime is 11830163. The reversal of 11830161 is 16103811.

It is not a de Polignac number, because 11830161 - 2¹⁰ = 11829137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 3440-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11830163) by changing a digit.

It is a nontrivial repunit in base 3439.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1142264).

Almost surely, 2^11830161 is an apocalyptic number.

It is an amenable number.

11830161 is a deficient number, since it is larger than the sum of its proper divisors (6446063).

11830161 is an equidigital number, since it uses as much as digits as its factorization.

11830161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11830161 is about 3439.5001090275. The cubic root of 11830161 is about 227.8576173199.

Adding to 11830161 its reverse (16103811), we get a palindrome (27933972).

The spelling of 11830161 in words is "eleven million, eight hundred thirty thousand, one hundred sixty-one".