2171005606 has 16 divisors (see below), whose sum is σ = 4060062720. Its totient is φ = 845846280.

The previous prime is 2171005567. The next prime is 2171005649. The reversal of 2171005606 is 6065001712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048566 + ... + 7048873.

It is an arithmetic number, because the mean of its divisors is an integer number (253753920).

Almost surely, 2^2171005606 is an apocalyptic number.

2171005606 is a deficient number, since it is larger than the sum of its proper divisors (1889057114).

2171005606 is a wasteful number, since it uses less digits than its factorization.

2171005606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097459.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2171005606 is about 46594.0511868200. The cubic root of 2171005606 is about 1294.8525457348.

The spelling of 2171005606 in words is "two billion, one hundred seventy-one million, five thousand, six hundred six".