2183132866 has 4 divisors (see below), whose sum is σ = 3274699302. Its totient is φ = 1091566432.

The previous prime is 2183132827. The next prime is 2183132869. The reversal of 2183132866 is 6682313812.

2183132866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2178182241 + 4950625 = 46671^2 + 2225^2 .

It is a super-2 number, since 2×2183132866² = 9532138221218747912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2183132869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545783215 + ... + 545783218.

Almost surely, 2^2183132866 is an apocalyptic number.

2183132866 is a deficient number, since it is larger than the sum of its proper divisors (1091566436).

2183132866 is a wasteful number, since it uses less digits than its factorization.

2183132866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091566435.

The product of its digits is 82944, while the sum is 40.

The square root of 2183132866 is about 46724.0073837851. The cubic root of 2183132866 is about 1297.2590902376.

The spelling of 2183132866 in words is "two billion, one hundred eighty-three million, one hundred thirty-two thousand, eight hundred sixty-six".