2168030208 has 88 divisors (see below), whose sum is σ = 5825139712. Its totient is φ = 716857344.

The previous prime is 2168030203. The next prime is 2168030231. The reversal of 2168030208 is 8020308612.

It is not an unprimeable number, because it can be changed into a prime (2168030203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387366 + ... + 392922.

Almost surely, 2^2168030208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912569856).

2168030208 is an abundant number, since it is smaller than the sum of its proper divisors (3657109504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168030208 is a wasteful number, since it uses less digits than its factorization.

2168030208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2168030208 is about 46562.1112923372. Note that the first 3 decimals coincide. The cubic root of 2168030208 is about 1294.2607365645.

The spelling of 2168030208 in words is "two billion, one hundred sixty-eight million, thirty thousand, two hundred eight".