2171171608 has 32 divisors (see below), whose sum is σ = 4116621600. Its totient is φ = 1073438208.

The previous prime is 2171171579. The next prime is 2171171657. The reversal of 2171171608 is 8061711712.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 701328 + ... + 704416.

It is an arithmetic number, because the mean of its divisors is an integer number (128644425).

Almost surely, 2^2171171608 is an apocalyptic number.

It is an amenable number.

2171171608 is a deficient number, since it is larger than the sum of its proper divisors (1945449992).

2171171608 is a wasteful number, since it uses less digits than its factorization.

2171171608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 34.

The square root of 2171171608 is about 46595.8325175117. The cubic root of 2171171608 is about 1294.8855477429.

The spelling of 2171171608 in words is "two billion, one hundred seventy-one million, one hundred seventy-one thousand, six hundred eight".