1166845 has 8 divisors (see below), whose sum is σ = 1413720. Its totient is φ = 924480.

The previous prime is 1166839. The next prime is 1166849. The reversal of 1166845 is 5486611.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 674041 = 702^2 + 821^2 .

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

It is not a de Polignac number, because 1166845 - 2¹³ = 1158653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166849) 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, 526 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^1166845 is an apocalyptic number.

It is an amenable number.

1166845 is a deficient number, since it is larger than the sum of its proper divisors (246875).

1166845 is a wasteful number, since it uses less digits than its factorization.

1166845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255.

The product of its digits is 5760, while the sum is 31.

The square root of 1166845 is about 1080.2059988724. The cubic root of 1166845 is about 105.2780235803.

The spelling of 1166845 in words is "one million, one hundred sixty-six thousand, eight hundred forty-five".