11166091 has 6 divisors (see below), whose sum is σ = 11785092. Its totient is φ = 10578060.

The previous prime is 11166083. The next prime is 11166137. The reversal of 11166091 is 19066111.

It is not a de Polignac number, because 11166091 - 2³ = 11166083 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11166031) 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 5 ways as a sum of consecutive naturals, for example, 15105 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (1964182).

Almost surely, 2^11166091 is an apocalyptic number.

11166091 is a deficient number, since it is larger than the sum of its proper divisors (619001).

11166091 is an equidigital number, since it uses as much as digits as its factorization.

11166091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30969 (or 30950 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11166091 is about 3341.5701399193. The cubic root of 11166091 is about 223.5117647833.

The spelling of 11166091 in words is "eleven million, one hundred sixty-six thousand, ninety-one".