2144664206 has 16 divisors (see below), whose sum is σ = 3409309440. Its totient is φ = 1008341760.

The previous prime is 2144664167. The next prime is 2144664209. The reversal of 2144664206 is 6024664412.

It is a super-2 number, since 2×2144664206² = 9199169112995220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144664209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10451 + ... + 66321.

It is an arithmetic number, because the mean of its divisors is an integer number (213081840).

Almost surely, 2^2144664206 is an apocalyptic number.

2144664206 is a deficient number, since it is larger than the sum of its proper divisors (1264645234).

2144664206 is a wasteful number, since it uses less digits than its factorization.

2144664206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57019.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2144664206 is about 46310.5193881477. The cubic root of 2144664206 is about 1289.5942890170.

The spelling of 2144664206 in words is "two billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred six".