2168048906 has 8 divisors (see below), whose sum is σ = 3327703104. Its totient is φ = 1058814540.

The previous prime is 2168048887. The next prime is 2168048921. The reversal of 2168048906 is 6098408612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 12604850 + ... + 12605021.

It is an arithmetic number, because the mean of its divisors is an integer number (415962888).

Almost surely, 2^2168048906 is an apocalyptic number.

2168048906 is a deficient number, since it is larger than the sum of its proper divisors (1159654198).

2168048906 is a wasteful number, since it uses less digits than its factorization.

2168048906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25209916.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 2168048906 is about 46562.3120774731. The cubic root of 2168048906 is about 1294.2644573025.

The spelling of 2168048906 in words is "two billion, one hundred sixty-eight million, forty-eight thousand, nine hundred six".