161334 has 12 divisors (see below), whose sum is σ = 349596. Its totient is φ = 53772.

The previous prime is 161333. The next prime is 161339. The reversal of 161334 is 433161.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8963 = 161334 / (1 + 6 + 1 + 3 + 3 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4464 + ... + 4499.

It is an arithmetic number, because the mean of its divisors is an integer number (29133).

2¹⁶¹³³⁴ is an apocalyptic number.

161334 is an abundant number, since it is smaller than the sum of its proper divisors (188262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161334 is a wasteful number, since it uses less digits than its factorization.

161334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971 (or 8968 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 161334 is about 401.6640387189. The cubic root of 161334 is about 54.4388113320.

Adding to 161334 its reverse (433161), we get a palindrome (594495).

The spelling of 161334 in words is "one hundred sixty-one thousand, three hundred thirty-four".