2180305606 has 16 divisors (see below), whose sum is σ = 3290086800. Its totient is φ = 1083630240.

The previous prime is 2180305601. The next prime is 2180305639. The reversal of 2180305606 is 6065030812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180305601) 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, 226320 + ... + 235756.

It is an arithmetic number, because the mean of its divisors is an integer number (205630425).

Almost surely, 2^2180305606 is an apocalyptic number.

2180305606 is a deficient number, since it is larger than the sum of its proper divisors (1109781194).

2180305606 is a wasteful number, since it uses less digits than its factorization.

2180305606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2180305606 is about 46693.7426857175. The cubic root of 2180305606 is about 1296.6988444231.

The spelling of 2180305606 in words is "two billion, one hundred eighty million, three hundred five thousand, six hundred six".