193161 has 12 divisors (see below), whose sum is σ = 270096. Its totient is φ = 122760.

The previous prime is 193153. The next prime is 193163. The reversal of 193161 is 161391.

It is a happy number.

193161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193161 - 2³ = 193153 is a prime.

It is a super-2 number, since 2×193161² = 74622343842, which contains 22 as substring.

It is the 440-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (193163) by changing a digit.

It is a nontrivial repunit in base 439.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (22508).

2¹⁹³¹⁶¹ is an apocalyptic number.

It is an amenable number.

193161 is a deficient number, since it is larger than the sum of its proper divisors (76935).

193161 is an equidigital number, since it uses as much as digits as its factorization.

193161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 101 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 193161 is about 439.5008532415. The cubic root of 193161 is about 57.8060305885.

The spelling of 193161 in words is "one hundred ninety-three thousand, one hundred sixty-one".