161394 has 16 divisors (see below), whose sum is σ = 331968. Its totient is φ = 52272.

The previous prime is 161387. The next prime is 161407. The reversal of 161394 is 493161.

161394 is nontrivially palindromic in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2¹⁶¹³⁹⁴ is an apocalyptic number.

161394 is an abundant number, since it is smaller than the sum of its proper divisors (170574).

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

161394 is a wasteful number, since it uses less digits than its factorization.

161394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its digits is 648, while the sum is 24.

The square root of 161394 is about 401.7387210613. The cubic root of 161394 is about 54.4455590806.

It can be divided in two parts, 161 and 394, that added together give a palindrome (555).

The spelling of 161394 in words is "one hundred sixty-one thousand, three hundred ninety-four".