2066543704 has 8 divisors (see below), whose sum is σ = 3874769460. Its totient is φ = 1033271848.

The previous prime is 2066543659. The next prime is 2066543707. The reversal of 2066543704 is 4073456602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066543707) by changing a digit.

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 as a sum of consecutive naturals, namely, 129158974 + ... + 129158989.

Almost surely, 2^2066543704 is an apocalyptic number.

It is an amenable number.

2066543704 is a deficient number, since it is larger than the sum of its proper divisors (1808225756).

2066543704 is a wasteful number, since it uses less digits than its factorization.

2066543704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258317969 (or 258317965 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2066543704 is about 45459.2532274783. The cubic root of 2066543704 is about 1273.7421821218.

The spelling of 2066543704 in words is "two billion, sixty-six million, five hundred forty-three thousand, seven hundred four".