8485594366561 has 16 divisors (see below), whose sum is σ = 9629519941440. Its totient is φ = 7412714671680.

The previous prime is 8485594366547. The next prime is 8485594366573. The reversal of 8485594366561 is 1656634955848.

It is a cyclic number.

It is not a de Polignac number, because 8485594366561 - 2²¹ = 8485592269409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8485594366861) 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 15 ways as a sum of consecutive naturals, for example, 18021895 + ... + 18486748.

It is an arithmetic number, because the mean of its divisors is an integer number (601844996340).

Almost surely, 2^{8485594366561} is an apocalyptic number.

It is an amenable number.

8485594366561 is a deficient number, since it is larger than the sum of its proper divisors (1143925574879).

8485594366561 is a wasteful number, since it uses less digits than its factorization.

8485594366561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36509616.

The product of its digits is 746496000, while the sum is 70.

The spelling of 8485594366561 in words is "eight trillion, four hundred eighty-five billion, five hundred ninety-four million, three hundred sixty-six thousand, five hundred sixty-one".