8973575666181 has 96 divisors (see below), whose sum is σ = 16279854232320. Its totient is φ = 4861404269568.

The previous prime is 8973575666179. The next prime is 8973575666191. The reversal of 8973575666181 is 1816665753798.

It is not a de Polignac number, because 8973575666181 - 2¹ = 8973575666179 is a prime.

It is a super-2 number, since 2×8973575666181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8973575666191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2133601 + ... + 4743353.

It is an arithmetic number, because the mean of its divisors is an integer number (169581814920).

Almost surely, 2^{8973575666181} is an apocalyptic number.

It is an amenable number.

8973575666181 is a deficient number, since it is larger than the sum of its proper divisors (7306278566139).

8973575666181 is a wasteful number, since it uses less digits than its factorization.

8973575666181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609912 (or 2609899 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 8973575666181 in words is "eight trillion, nine hundred seventy-three billion, five hundred seventy-five million, six hundred sixty-six thousand, one hundred eighty-one".