11634161 has 16 divisors (see below), whose sum is σ = 14622720. Its totient is φ = 8992080.

The previous prime is 11634157. The next prime is 11634167. The reversal of 11634161 is 16143611.

11634161 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11634161 - 2² = 11634157 is a prime.

11634161 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (11634167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10160 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (913920).

Almost surely, 2^11634161 is an apocalyptic number.

11634161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11634161 is a deficient number, since it is larger than the sum of its proper divisors (2988559).

11634161 is a wasteful number, since it uses less digits than its factorization.

11634161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its digits is 432, while the sum is 23.

The square root of 11634161 is about 3410.8885939004. Note that the first 3 decimals coincide. The cubic root of 11634161 is about 226.5922350287.

Adding to 11634161 its reverse (16143611), we get a palindrome (27777772).

The spelling of 11634161 in words is "eleven million, six hundred thirty-four thousand, one hundred sixty-one".