161326 has 8 divisors (see below), whose sum is σ = 264024. Its totient is φ = 73320.

The previous prime is 161323. The next prime is 161333. The reversal of 161326 is 623161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161323) 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, 3645 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (33003).

2¹⁶¹³²⁶ is an apocalyptic number.

161326 is a deficient number, since it is larger than the sum of its proper divisors (102698).

161326 is a wasteful number, since it uses less digits than its factorization.

161326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346.

The product of its digits is 216, while the sum is 19.

The square root of 161326 is about 401.6540800241. The cubic root of 161326 is about 54.4379115058.

Adding to 161326 its reverse (623161), we get a palindrome (784487).

The spelling of 161326 in words is "one hundred sixty-one thousand, three hundred twenty-six".