66583033 has 12 divisors (see below), whose sum is σ = 77493780. Its totient is φ = 56967680.

The previous prime is 66583007. The next prime is 66583061. The reversal of 66583033 is 33038566.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24176889 + 42406144 = 4917^2 + 6512^2 .

It is not a de Polignac number, because 66583033 - 2¹⁷ = 66451961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66583033.

It is not an unprimeable number, because it can be changed into a prime (66583003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14128 + ... + 18241.

It is an arithmetic number, because the mean of its divisors is an integer number (6457815).

Almost surely, 2^66583033 is an apocalyptic number.

It is an amenable number.

66583033 is a deficient number, since it is larger than the sum of its proper divisors (10910747).

66583033 is a wasteful number, since it uses less digits than its factorization.

66583033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32408 (or 32397 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 66583033 is about 8159.8427068173. The cubic root of 66583033 is about 405.3105031332.

The spelling of 66583033 in words is "sixty-six million, five hundred eighty-three thousand, thirty-three".