1170666 has 64 divisors (see below), whose sum is σ = 3148800. Its totient is φ = 314928.

The previous prime is 1170661. The next prime is 1170667. The reversal of 1170666 is 6660711.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7101 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (49200).

2^1170666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1170666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574400).

1170666 is an abundant number, since it is smaller than the sum of its proper divisors (1978134).

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

1170666 is a wasteful number, since it uses less digits than its factorization.

1170666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1170666 is about 1081.9731974499. The cubic root of 1170666 is about 105.3928143284.

The spelling of 1170666 in words is "one million, one hundred seventy thousand, six hundred sixty-six".