173487161 has 8 divisors (see below), whose sum is σ = 174740544. Its totient is φ = 172238800.

The previous prime is 173487143. The next prime is 173487203. The reversal of 173487161 is 161784371.

It is a happy number.

173487161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 173487161 - 2¹⁴ = 173470777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173487661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90311 + ... + 92211.

It is an arithmetic number, because the mean of its divisors is an integer number (21842568).

Almost surely, 2^173487161 is an apocalyptic number.

It is an amenable number.

173487161 is a deficient number, since it is larger than the sum of its proper divisors (1253383).

173487161 is a wasteful number, since it uses less digits than its factorization.

173487161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its digits is 28224, while the sum is 38.

The square root of 173487161 is about 13171.4525015277. The cubic root of 173487161 is about 557.7279980657.

The spelling of 173487161 in words is "one hundred seventy-three million, four hundred eighty-seven thousand, one hundred sixty-one".