1166860 has 24 divisors (see below), whose sum is σ = 2511936. Its totient is φ = 455040.

The previous prime is 1166857. The next prime is 1166861. The reversal of 1166860 is 686611.

It is not an unprimeable number, because it can be changed into a prime (1166861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (104664).

2^1166860 is an apocalyptic number.

1166860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255968).

1166860 is an abundant number, since it is smaller than the sum of its proper divisors (1345076).

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

1166860 is a wasteful number, since it uses less digits than its factorization.

1166860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1166860 is about 1080.2129419702. The cubic root of 1166860 is about 105.2784747010.

Subtracting from 1166860 its reverse (686611), we obtain a square (480249 = 693²).

The spelling of 1166860 in words is "one million, one hundred sixty-six thousand, eight hundred sixty".