11738161 has 4 divisors (see below), whose sum is σ = 11762752. Its totient is φ = 11713572.

The previous prime is 11738147. The next prime is 11738173. The reversal of 11738161 is 16183711.

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.

It is a cyclic number.

It is not a de Polignac number, because 11738161 - 2⁷ = 11738033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11738191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11565 + ... + 12538.

It is an arithmetic number, because the mean of its divisors is an integer number (2940688).

Almost surely, 2^11738161 is an apocalyptic number.

It is an amenable number.

11738161 is a deficient number, since it is larger than the sum of its proper divisors (24591).

11738161 is an equidigital number, since it uses as much as digits as its factorization.

11738161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24590.

The product of its digits is 1008, while the sum is 28.

The square root of 11738161 is about 3426.0999693529. The cubic root of 11738161 is about 227.2654169333.

The spelling of 11738161 in words is "eleven million, seven hundred thirty-eight thousand, one hundred sixty-one".