66083459 has 4 divisors (see below), whose sum is σ = 71166816. Its totient is φ = 61000104.

The previous prime is 66083449. The next prime is 66083491. The reversal of 66083459 is 95438066.

66083459 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.

It is a cyclic number.

It is not a de Polignac number, because 66083459 - 2¹⁶ = 66017923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66083419) 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, 2541659 + ... + 2541684.

It is an arithmetic number, because the mean of its divisors is an integer number (17791704).

Almost surely, 2^66083459 is an apocalyptic number.

66083459 is a deficient number, since it is larger than the sum of its proper divisors (5083357).

66083459 is a wasteful number, since it uses less digits than its factorization.

66083459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083356.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 66083459 is about 8129.1733282050. The cubic root of 66083459 is about 404.2942726605.

The spelling of 66083459 in words is "sixty-six million, eighty-three thousand, four hundred fifty-nine".