2168239106 has 16 divisors (see below), whose sum is σ = 3560846400. Its totient is φ = 982002480.

The previous prime is 2168239079. The next prime is 2168239111. The reversal of 2168239106 is 6019328612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2168239106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171806 + ... + 183993.

It is an arithmetic number, because the mean of its divisors is an integer number (222552900).

Almost surely, 2^2168239106 is an apocalyptic number.

2168239106 is a deficient number, since it is larger than the sum of its proper divisors (1392607294).

2168239106 is a wasteful number, since it uses less digits than its factorization.

2168239106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356089.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2168239106 is about 46564.3544570308. The cubic root of 2168239106 is about 1294.3023042196.

The spelling of 2168239106 in words is "two billion, one hundred sixty-eight million, two hundred thirty-nine thousand, one hundred six".