66325533 has 8 divisors (see below), whose sum is σ = 88501728. Its totient is φ = 44183184.

The previous prime is 66325513. The next prime is 66325579. The reversal of 66325533 is 33552366.

66325533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66325533 - 2⁸ = 66325277 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66325494 and 66325503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66325513) 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 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 12027.

It is an arithmetic number, because the mean of its divisors is an integer number (11062716).

Almost surely, 2^66325533 is an apocalyptic number.

It is an amenable number.

66325533 is a deficient number, since it is larger than the sum of its proper divisors (22176195).

66325533 is a wasteful number, since it uses less digits than its factorization.

66325533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923.

The product of its digits is 48600, while the sum is 33.

The square root of 66325533 is about 8144.0489315819. The cubic root of 66325533 is about 404.7873353853.

Adding to 66325533 its reverse (33552366), we get a palindrome (99877899).

The spelling of 66325533 in words is "sixty-six million, three hundred twenty-five thousand, five hundred thirty-three".