11166149 has 2 divisors, whose sum is σ = 11166150. Its totient is φ = 11166148.

The previous prime is 11166143. The next prime is 11166151. The reversal of 11166149 is 94166111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 1117249 = 3170^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 11166149 - 2¹⁶ = 11100613 is a prime.

Together with 11166151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11166143) 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 as a sum of consecutive naturals, namely, 5583074 + 5583075.

It is an arithmetic number, because the mean of its divisors is an integer number (5583075).

Almost surely, 2^11166149 is an apocalyptic number.

It is an amenable number.

11166149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166149 is an equidigital number, since it uses as much as digits as its factorization.

11166149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 11166149 is about 3341.5788184629. The cubic root of 11166149 is about 223.5121517782.

The spelling of 11166149 in words is "eleven million, one hundred sixty-six thousand, one hundred forty-nine".