66465524333 has 4 divisors (see below), whose sum is σ = 71578256988. Its totient is φ = 61352791680.

The previous prime is 66465524287. The next prime is 66465524369. The reversal of 66465524333 is 33342556466.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8402838889 + 58062685444 = 91667^2 + 240962^2 .

It is a cyclic number.

It is not a de Polignac number, because 66465524333 - 2¹² = 66465520237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66465524533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556366308 + ... + 2556366333.

It is an arithmetic number, because the mean of its divisors is an integer number (17894564247).

Almost surely, 2^66465524333 is an apocalyptic number.

It is an amenable number.

66465524333 is a deficient number, since it is larger than the sum of its proper divisors (5112732655).

66465524333 is a wasteful number, since it uses less digits than its factorization.

66465524333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112732654.

The product of its digits is 4665600, while the sum is 47.

The spelling of 66465524333 in words is "sixty-six billion, four hundred sixty-five million, five hundred twenty-four thousand, three hundred thirty-three".