11160661 has 4 divisors (see below), whose sum is σ = 11173824. Its totient is φ = 11147500.

The previous prime is 11160647. The next prime is 11160673. The reversal of 11160661 is 16606111.

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 11160661 - 2⁵ = 11160629 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11160691) 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, 5215 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (2793456).

Almost surely, 2^11160661 is an apocalyptic number.

It is an amenable number.

11160661 is a deficient number, since it is larger than the sum of its proper divisors (13163).

11160661 is an equidigital number, since it uses as much as digits as its factorization.

11160661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11160661 is about 3340.7575488203. The cubic root of 11160661 is about 223.4755281192.

Adding to 11160661 its reverse (16606111), we get a palindrome (27766772).

The spelling of 11160661 in words is "eleven million, one hundred sixty thousand, six hundred sixty-one".