38161 has 4 divisors (see below), whose sum is σ = 39424. Its totient is φ = 36900.

The previous prime is 38153. The next prime is 38167. The reversal of 38161 is 16183.

38161 = T₁₅₈ + T₁₅₉ + T₁₆₀.

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 38161 - 2³ = 38153 is a prime.

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

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (38167) 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, 585 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (9856).

2³⁸¹⁶¹ is an apocalyptic number.

38161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

38161 is the 160-th centered triangular number.

It is an amenable number.

38161 is a deficient number, since it is larger than the sum of its proper divisors (1263).

38161 is a wasteful number, since it uses less digits than its factorization.

38161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 144, while the sum is 19.

The square root of 38161 is about 195.3484066994. The cubic root of 38161 is about 33.6671676994.

The spelling of 38161 in words is "thirty-eight thousand, one hundred sixty-one".