66983041 has 4 divisors (see below), whose sum is σ = 67023684. Its totient is φ = 66942400.

The previous prime is 66983027. The next prime is 66983047. The reversal of 66983041 is 14038966.

66983041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14038966 = 2 ⋅7019483.

It can be written as a sum of positive squares in 2 ways, for example, as 16573041 + 50410000 = 4071^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 66983041 - 2⁹ = 66982529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66983047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17740 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (16755921).

Almost surely, 2^66983041 is an apocalyptic number.

It is an amenable number.

66983041 is a deficient number, since it is larger than the sum of its proper divisors (40643).

66983041 is a wasteful number, since it uses less digits than its factorization.

66983041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66983041 is about 8184.3167705069. The cubic root of 66983041 is about 406.1205385985.

The spelling of 66983041 in words is "sixty-six million, nine hundred eighty-three thousand, forty-one".