2066466042 has 96 divisors (see below), whose sum is σ = 4870644480. Its totient is φ = 630789120.

The previous prime is 2066466041. The next prime is 2066466047. The reversal of 2066466042 is 2406646602.

2066466042 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 46 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2066465988 and 2066466006.

It is not an unprimeable number, because it can be changed into a prime (2066466041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1764117 + ... + 1765287.

It is an arithmetic number, because the mean of its divisors is an integer number (50735880).

Almost surely, 2^2066466042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066466042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2435322240).

2066466042 is an abundant number, since it is smaller than the sum of its proper divisors (2804178438).

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

2066466042 is a wasteful number, since it uses less digits than its factorization.

2066466042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2066466042 is about 45458.3990259226. The cubic root of 2066466042 is about 1273.7262259136.

The spelling of 2066466042 in words is "two billion, sixty-six million, four hundred sixty-six thousand, forty-two".