66606033263 has 8 divisors (see below), whose sum is σ = 83041288320. Its totient is φ = 51900805080.

The previous prime is 66606033259. The next prime is 66606033271. The reversal of 66606033263 is 36233060666.

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 66606033263 - 2² = 66606033259 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 66606033263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66606033253) 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, 432506633 + ... + 432506786.

It is an arithmetic number, because the mean of its divisors is an integer number (10380161040).

Almost surely, 2^66606033263 is an apocalyptic number.

66606033263 is a deficient number, since it is larger than the sum of its proper divisors (16435255057).

66606033263 is a wasteful number, since it uses less digits than its factorization.

66606033263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865013437.

The product of its (nonzero) digits is 419904, while the sum is 41.

The spelling of 66606033263 in words is "sixty-six billion, six hundred six million, thirty-three thousand, two hundred sixty-three".