93161 has 4 divisors (see below), whose sum is σ = 94800. Its totient is φ = 91524.

The previous prime is 93151. The next prime is 93169. The reversal of 93161 is 16139.

93161 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 93161 - 2⁶ = 93097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (23700).

2⁹³¹⁶¹ is an apocalyptic number.

93161 is the 137-th centered decagonal number.

It is an amenable number.

93161 is a deficient number, since it is larger than the sum of its proper divisors (1639).

93161 is a wasteful number, since it uses less digits than its factorization.

93161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 162, while the sum is 20.

The square root of 93161 is about 305.2228693922. Note that the first 3 decimals coincide. The cubic root of 93161 is about 45.3326785276.

The spelling of 93161 in words is "ninety-three thousand, one hundred sixty-one".