161473 has 4 divisors (see below), whose sum is σ = 173908. Its totient is φ = 149040.

The previous prime is 161471. The next prime is 161503. The reversal of 161473 is 374161.

161473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374161 = 293 ⋅1277.

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 63504 = 313^2 + 252^2 .

It is a cyclic number.

It is not a de Polignac number, because 161473 - 2¹ = 161471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6198 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (43477).

2¹⁶¹⁴⁷³ is an apocalyptic number.

161473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

161473 is a deficient number, since it is larger than the sum of its proper divisors (12435).

161473 is a wasteful number, since it uses less digits than its factorization.

161473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434.

The product of its digits is 504, while the sum is 22.

The square root of 161473 is about 401.8370316434. The cubic root of 161473 is about 54.4544410663.

The spelling of 161473 in words is "one hundred sixty-one thousand, four hundred seventy-three".