111666027 has 8 divisors (see below), whose sum is σ = 162423360. Its totient is φ = 67676360.

The previous prime is 111666017. The next prime is 111666041. The reversal of 111666027 is 720666111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111666027 - 2⁴ = 111666011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111665985 and 111666003.

It is not an unprimeable number, because it can be changed into a prime (111666017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691877 + ... + 1691942.

It is an arithmetic number, because the mean of its divisors is an integer number (20302920).

Almost surely, 2^111666027 is an apocalyptic number.

111666027 is a deficient number, since it is larger than the sum of its proper divisors (50757333).

111666027 is a wasteful number, since it uses less digits than its factorization.

111666027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383833.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 111666027 is about 10567.2147229059. The cubic root of 111666027 is about 481.5488553130.

The spelling of 111666027 in words is "one hundred eleven million, six hundred sixty-six thousand, twenty-seven".