1166160212 has 48 divisors (see below), whose sum is σ = 2438083200. Its totient is φ = 487569600.

The previous prime is 1166160187. The next prime is 1166160221. The reversal of 1166160212 is 2120616611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45887 + ... + 66617.

It is an arithmetic number, because the mean of its divisors is an integer number (50793400).

Almost surely, 2^1166160212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166160212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219041600).

1166160212 is an abundant number, since it is smaller than the sum of its proper divisors (1271922988).

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

1166160212 is a wasteful number, since it uses less digits than its factorization.

1166160212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797 (or 20781 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1166160212 is about 34149.0880112486. The cubic root of 1166160212 is about 1052.5742466190.

Adding to 1166160212 its reverse (2120616611), we get a palindrome (3286776823).

The spelling of 1166160212 in words is "one billion, one hundred sixty-six million, one hundred sixty thousand, two hundred twelve".