1166836212 has 24 divisors (see below), whose sum is σ = 3025131200. Its totient is φ = 388945368.

The previous prime is 1166836169. The next prime is 1166836213. The reversal of 1166836212 is 2126386611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166836213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5401912 + ... + 5402127.

Almost surely, 2^1166836212 is an apocalyptic number.

1166836212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166836212 is an abundant number, since it is smaller than the sum of its proper divisors (1858294988).

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

1166836212 is a wasteful number, since it uses less digits than its factorization.

1166836212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804052 (or 10804044 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1166836212 is about 34158.9843525829. The cubic root of 1166836212 is about 1052.7775928199. Note that the first 3 decimals are identical.

The spelling of 1166836212 in words is "one billion, one hundred sixty-six million, eight hundred thirty-six thousand, two hundred twelve".