66304463 has 8 divisors (see below), whose sum is σ = 67529280. Its totient is φ = 65089440.

The previous prime is 66304457. The next prime is 66304489. The reversal of 66304463 is 36440366.

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

It is a cyclic number.

It is not a de Polignac number, because 66304463 - 2⁸ = 66304207 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 (66304493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11981 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (8441160).

Almost surely, 2^66304463 is an apocalyptic number.

66304463 is a deficient number, since it is larger than the sum of its proper divisors (1224817).

66304463 is a wasteful number, since it uses less digits than its factorization.

66304463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 66304463 is about 8142.7552462296. The cubic root of 66304463 is about 404.7444671662.

The spelling of 66304463 in words is "sixty-six million, three hundred four thousand, four hundred sixty-three".