2066030644 has 24 divisors (see below), whose sum is σ = 3743951400. Its totient is φ = 996401280.

The previous prime is 2066030627. The next prime is 2066030651. The reversal of 2066030644 is 4460306602.

It can be written as a sum of positive squares in 4 ways, for example, as 289408144 + 1776622500 = 17012^2 + 42150^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 115674 + ... + 132334.

It is an arithmetic number, because the mean of its divisors is an integer number (155997975).

Almost surely, 2^2066030644 is an apocalyptic number.

It is an amenable number.

2066030644 is a deficient number, since it is larger than the sum of its proper divisors (1677920756).

2066030644 is a wasteful number, since it uses less digits than its factorization.

2066030644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763 (or 17761 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2066030644 is about 45453.6098016428. The cubic root of 2066030644 is about 1273.6367629055.

The spelling of 2066030644 in words is "two billion, sixty-six million, thirty thousand, six hundred forty-four".