1166766 has 16 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 385848.

The previous prime is 1166741. The next prime is 1166773. The reversal of 1166766 is 6676611.

It is a super-2 number, since 2×1166766² = 2722685797512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (147000).

2^1166766 is an apocalyptic number.

1166766 is an abundant number, since it is smaller than the sum of its proper divisors (1185234).

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

1166766 is a wasteful number, since it uses less digits than its factorization.

1166766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its digits is 9072, while the sum is 33.

The square root of 1166766 is about 1080.1694311542. The cubic root of 1166766 is about 105.2756476145.

The spelling of 1166766 in words is "one million, one hundred sixty-six thousand, seven hundred sixty-six".