2066882142 has 64 divisors (see below), whose sum is σ = 4668713280. Its totient is φ = 605574144.

The previous prime is 2066882141. The next prime is 2066882173. The reversal of 2066882142 is 2412886602.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2066882142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066882141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158868 + ... + 171384.

It is an arithmetic number, because the mean of its divisors is an integer number (72948645).

Almost surely, 2^2066882142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066882142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334356640).

2066882142 is an abundant number, since it is smaller than the sum of its proper divisors (2601831138).

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

2066882142 is a wasteful number, since it uses less digits than its factorization.

2066882142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12637.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 2066882142 is about 45462.9755075490. The cubic root of 2066882142 is about 1273.8117119403.

The spelling of 2066882142 in words is "two billion, sixty-six million, eight hundred eighty-two thousand, one hundred forty-two".