1166434085 has 8 divisors (see below), whose sum is σ = 1447987320. Its totient is φ = 900969664.

The previous prime is 1166434069. The next prime is 1166434099. The reversal of 1166434085 is 5804346611.

It can be written as a sum of positive squares in 4 ways, for example, as 3214849 + 1163219236 = 1793^2 + 34106^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1166434085 - 2⁴ = 1166434069 is a prime.

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, 4022042 + ... + 4022331.

It is an arithmetic number, because the mean of its divisors is an integer number (180998415).

Almost surely, 2^1166434085 is an apocalyptic number.

It is an amenable number.

1166434085 is a deficient number, since it is larger than the sum of its proper divisors (281553235).

1166434085 is an equidigital number, since it uses as much as digits as its factorization.

1166434085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044407.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1166434085 is about 34153.0977365158. The cubic root of 1166434085 is about 1052.6566392725.

The spelling of 1166434085 in words is "one billion, one hundred sixty-six million, four hundred thirty-four thousand, eighty-five".