8385066572643 has 48 divisors (see below), whose sum is σ = 13528892657280. Its totient is φ = 5172672524544.

The previous prime is 8385066572629. The next prime is 8385066572683. The reversal of 8385066572643 is 3462756605838.

8385066572643 is a `hidden beast` number, since 8 + 3 + 8 + 50 + 6 + 6 + 572 + 6 + 4 + 3 = 666.

It is not a de Polignac number, because 8385066572643 - 2⁴ = 8385066572627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8385066572683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20919246 + ... + 21316307.

It is an arithmetic number, because the mean of its divisors is an integer number (281851930360).

Almost surely, 2^{8385066572643} is an apocalyptic number.

8385066572643 is a deficient number, since it is larger than the sum of its proper divisors (5143826084637).

8385066572643 is a wasteful number, since it uses less digits than its factorization.

8385066572643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42235630 (or 42235618 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 8385066572643 in words is "eight trillion, three hundred eighty-five billion, sixty-six million, five hundred seventy-two thousand, six hundred forty-three".