11833161 has 4 divisors (see below), whose sum is σ = 15777552. Its totient is φ = 7888772.

The previous prime is 11833147. The next prime is 11833177. The reversal of 11833161 is 16133811.

11833161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 16133811 = 3 ⋅5377937.

It is a cyclic number.

It is not a de Polignac number, because 11833161 - 2⁷ = 11833033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11833111) 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, 1972191 + ... + 1972196.

It is an arithmetic number, because the mean of its divisors is an integer number (3944388).

Almost surely, 2^11833161 is an apocalyptic number.

It is an amenable number.

11833161 is a deficient number, since it is larger than the sum of its proper divisors (3944391).

11833161 is an equidigital number, since it uses as much as digits as its factorization.

11833161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944390.

The product of its digits is 432, while the sum is 24.

The square root of 11833161 is about 3439.9361912687. The cubic root of 11833161 is about 227.8768764288.

Adding to 11833161 its reverse (16133811), we get a palindrome (27966972).

The spelling of 11833161 in words is "eleven million, eight hundred thirty-three thousand, one hundred sixty-one".