164783 has 4 divisors (see below), whose sum is σ = 165600. Its totient is φ = 163968.

The previous prime is 164771. The next prime is 164789. The reversal of 164783 is 387461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 387461 = 67 ⋅5783.

It is a cyclic number.

It is not a de Polignac number, because 164783 - 2⁴ = 164767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164789) 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, 143 + ... + 591.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2¹⁶⁴⁷⁸³ is an apocalyptic number.

164783 is a deficient number, since it is larger than the sum of its proper divisors (817).

164783 is an equidigital number, since it uses as much as digits as its factorization.

164783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 4032, while the sum is 29.

The square root of 164783 is about 405.9347238165. The cubic root of 164783 is about 54.8240104704.

The spelling of 164783 in words is "one hundred sixty-four thousand, seven hundred eighty-three".