1166812232 has 8 divisors (see below), whose sum is σ = 2187772950. Its totient is φ = 583406112.

The previous prime is 1166812219. The next prime is 1166812237. The reversal of 1166812232 is 2322186611.

It can be written as a sum of positive squares in only one way, i.e., 663886756 + 502925476 = 25766^2 + 22426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1166812232² = 2722901569489643648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166812237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72925757 + ... + 72925772.

Almost surely, 2^1166812232 is an apocalyptic number.

It is an amenable number.

1166812232 is a deficient number, since it is larger than the sum of its proper divisors (1020960718).

1166812232 is a wasteful number, since it uses less digits than its factorization.

1166812232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145851535 (or 145851531 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 1166812232 is about 34158.6333450271. The cubic root of 1166812232 is about 1052.7703807881.

Adding to 1166812232 its reverse (2322186611), we get a palindrome (3488998843).

The spelling of 1166812232 in words is "one billion, one hundred sixty-six million, eight hundred twelve thousand, two hundred thirty-two".