58161 has 4 divisors (see below), whose sum is σ = 77552. Its totient is φ = 38772.

The previous prime is 58153. The next prime is 58169. The reversal of 58161 is 16185.

58161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (58153) and next prime (58169).

It is not a de Polignac number, because 58161 - 2³ = 58153 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

58161 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (58169) 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, 9691 + ... + 9696.

It is an arithmetic number, because the mean of its divisors is an integer number (19388).

2⁵⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

58161 is a deficient number, since it is larger than the sum of its proper divisors (19391).

58161 is a wasteful number, since it uses less digits than its factorization.

58161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390.

The product of its digits is 240, while the sum is 21.

The square root of 58161 is about 241.1659179901. The cubic root of 58161 is about 38.7445500487.

The spelling of 58161 in words is "fifty-eight thousand, one hundred sixty-one".