2142888066 has 96 divisors (see below), whose sum is σ = 5152118400. Its totient is φ = 638288640.

The previous prime is 2142888053. The next prime is 2142888119. The reversal of 2142888066 is 6608882412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4881075 + ... + 4881513.

It is an arithmetic number, because the mean of its divisors is an integer number (53667900).

Almost surely, 2^2142888066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142888066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576059200).

2142888066 is an abundant number, since it is smaller than the sum of its proper divisors (3009230334).

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

2142888066 is a wasteful number, since it uses less digits than its factorization.

2142888066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 2142888066 is about 46291.3389955400. The cubic root of 2142888066 is about 1289.2381909091.

The spelling of 2142888066 in words is "two billion, one hundred forty-two million, eight hundred eighty-eight thousand, sixty-six".