164319 has 4 divisors (see below), whose sum is σ = 219096. Its totient is φ = 109544.

The previous prime is 164309. The next prime is 164321. The reversal of 164319 is 913461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164319 - 2⁷ = 164191 is a prime.

It is a super-2 number, since 2×164319² = 54001467522, which contains 22 as substring.

It is a D-number.

164319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164309) 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, 27384 + ... + 27389.

It is an arithmetic number, because the mean of its divisors is an integer number (54774).

2¹⁶⁴³¹⁹ is an apocalyptic number.

164319 is a deficient number, since it is larger than the sum of its proper divisors (54777).

164319 is an equidigital number, since it uses as much as digits as its factorization.

164319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54776.

The product of its digits is 648, while the sum is 24.

The square root of 164319 is about 405.3628004640. The cubic root of 164319 is about 54.7725038326.

The spelling of 164319 in words is "one hundred sixty-four thousand, three hundred nineteen".