2166986283 has 16 divisors (see below), whose sum is σ = 3602263296. Its totient is φ = 1125707040.

The previous prime is 2166986267. The next prime is 2166986287. The reversal of 2166986283 is 3826896612.

It is not a de Polignac number, because 2166986283 - 2⁴ = 2166986267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2166986287) 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 15 ways as a sum of consecutive naturals, for example, 4690216 + ... + 4690677.

It is an arithmetic number, because the mean of its divisors is an integer number (225141456).

Almost surely, 2^2166986283 is an apocalyptic number.

2166986283 is a deficient number, since it is larger than the sum of its proper divisors (1435277013).

2166986283 is a wasteful number, since it uses less digits than its factorization.

2166986283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380914.

The product of its digits is 1492992, while the sum is 51.

The square root of 2166986283 is about 46550.8999161133. The cubic root of 2166986283 is about 1294.0529706933.

The spelling of 2166986283 in words is "two billion, one hundred sixty-six million, nine hundred eighty-six thousand, two hundred eighty-three".