1166218 has 8 divisors (see below), whose sum is σ = 1753920. Its totient is φ = 581580.

The previous prime is 1166213. The next prime is 1166219. The reversal of 1166218 is 8126611.

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

It is a junction number, because it is equal to n+sod(n) for n = 1166192 and 1166201.

It is not an unprimeable number, because it can be changed into a prime (1166213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^1166218 is an apocalyptic number.

1166218 is a deficient number, since it is larger than the sum of its proper divisors (587702).

1166218 is an equidigital number, since it uses as much as digits as its factorization.

1166218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532.

The product of its digits is 576, while the sum is 25.

The square root of 1166218 is about 1079.9157374536. The cubic root of 1166218 is about 105.2591632782.

The spelling of 1166218 in words is "one million, one hundred sixty-six thousand, two hundred eighteen".