163886 has 4 divisors (see below), whose sum is σ = 245832. Its totient is φ = 81942.

The previous prime is 163883. The next prime is 163901. The reversal of 163886 is 688361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688361 = 577 ⋅1193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40970 + ... + 40973.

It is an arithmetic number, because the mean of its divisors is an integer number (61458).

2¹⁶³⁸⁸⁶ is an apocalyptic number.

163886 is a deficient number, since it is larger than the sum of its proper divisors (81946).

163886 is an equidigital number, since it uses as much as digits as its factorization.

163886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81945.

The product of its digits is 6912, while the sum is 32.

The square root of 163886 is about 404.8283586904. The cubic root of 163886 is about 54.7243508362.

The spelling of 163886 in words is "one hundred sixty-three thousand, eight hundred eighty-six".