173264161 has 8 divisors (see below), whose sum is σ = 198460800. Its totient is φ = 148178688.

The previous prime is 173264141. The next prime is 173264207. The reversal of 173264161 is 161462371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 173264161 - 2⁷ = 173264033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173264131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24421 + ... + 30706.

It is an arithmetic number, because the mean of its divisors is an integer number (24807600).

Almost surely, 2^173264161 is an apocalyptic number.

It is an amenable number.

173264161 is a deficient number, since it is larger than the sum of its proper divisors (25196639).

173264161 is an equidigital number, since it uses as much as digits as its factorization.

173264161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55583.

The product of its digits is 6048, while the sum is 31.

The square root of 173264161 is about 13162.9845020041. The cubic root of 173264161 is about 557.4889281720.

The spelling of 173264161 in words is "one hundred seventy-three million, two hundred sixty-four thousand, one hundred sixty-one".