173216831161 has 8 divisors (see below), whose sum is σ = 189109524384. Its totient is φ = 157348422720.

The previous prime is 173216831153. The next prime is 173216831173. The reversal of 173216831161 is 161138612371.

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 173216831161 - 2³ = 173216831153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173216831101) 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 7 ways as a sum of consecutive naturals, for example, 6056275 + ... + 6084808.

It is an arithmetic number, because the mean of its divisors is an integer number (23638690548).

Almost surely, 2^173216831161 is an apocalyptic number.

173216831161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

173216831161 is a deficient number, since it is larger than the sum of its proper divisors (15892693223).

173216831161 is a wasteful number, since it uses less digits than its factorization.

173216831161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142391.

The product of its digits is 36288, while the sum is 40.

The spelling of 173216831161 in words is "one hundred seventy-three billion, two hundred sixteen million, eight hundred thirty-one thousand, one hundred sixty-one".