2171136206 has 16 divisors (see below), whose sum is σ = 3312144000. Its totient is φ = 1067155320.

The previous prime is 2171136197. The next prime is 2171136211. The reversal of 2171136206 is 6026311712.

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, 49295 + ... + 82293.

It is an arithmetic number, because the mean of its divisors is an integer number (207009000).

Almost surely, 2^2171136206 is an apocalyptic number.

2171136206 is a deficient number, since it is larger than the sum of its proper divisors (1141007794).

2171136206 is a wasteful number, since it uses less digits than its factorization.

2171136206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33559.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2171136206 is about 46595.4526322044. The cubic root of 2171136206 is about 1294.8785097936.

Adding to 2171136206 its reverse (6026311712), we get a palindrome (8197447918).

The spelling of 2171136206 in words is "two billion, one hundred seventy-one million, one hundred thirty-six thousand, two hundred six".