164863 has 4 divisors (see below), whose sum is σ = 173560. Its totient is φ = 156168.

The previous prime is 164839. The next prime is 164881. The reversal of 164863 is 368461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368461 = 229 ⋅1609.

It is a cyclic number.

It is not a de Polignac number, because 164863 - 2⁵ = 164831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164893) 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, 4320 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (43390).

2¹⁶⁴⁸⁶³ is an apocalyptic number.

164863 is a deficient number, since it is larger than the sum of its proper divisors (8697).

164863 is an equidigital number, since it uses as much as digits as its factorization.

164863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696.

The product of its digits is 3456, while the sum is 28.

The square root of 164863 is about 406.0332498700. The cubic root of 164863 is about 54.8328811493.

Multiplying 164863 by its sum of digits (28), we get a palindrome (4616164).

It can be divided in two parts, 1648 and 63, that added together give a triangular number (1711 = T₅₈).

The spelling of 164863 in words is "one hundred sixty-four thousand, eight hundred sixty-three".