1116666 has 40 divisors (see below), whose sum is σ = 2565684. Its totient is φ = 362880.

The previous prime is 1116659. The next prime is 1116677. The reversal of 1116666 is 6666111.

It can be written as a sum of positive squares in 2 ways, for example, as 731025 + 385641 = 855^2 + 621^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9826 + ... + 9938.

2^1116666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282842).

1116666 is an abundant number, since it is smaller than the sum of its proper divisors (1449018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116666 is a wasteful number, since it uses less digits than its factorization.

1116666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 179 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1116666 is about 1056.7241835030. The cubic root of 1116666 is about 103.7467333369.

The spelling of 1116666 in words is "one million, one hundred sixteen thousand, six hundred sixty-six".