66264643303 has 8 divisors (see below), whose sum is σ = 66762707472. Its totient is φ = 65768441856.

The previous prime is 66264643301. The next prime is 66264643321. The reversal of 66264643303 is 30334646266.

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 66264643303 - 2¹ = 66264643301 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 66264643303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66264643301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394225 + ... + 536602.

It is an arithmetic number, because the mean of its divisors is an integer number (8345338434).

Almost surely, 2^66264643303 is an apocalyptic number.

66264643303 is a deficient number, since it is larger than the sum of its proper divisors (498064169).

66264643303 is a wasteful number, since it uses less digits than its factorization.

66264643303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931361.

The product of its (nonzero) digits is 1119744, while the sum is 43.

The spelling of 66264643303 in words is "sixty-six billion, two hundred sixty-four million, six hundred forty-three thousand, three hundred three".