164306 has 4 divisors (see below), whose sum is σ = 246462. Its totient is φ = 82152.

The previous prime is 164299. The next prime is 164309. The reversal of 164306 is 603461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603461 = 29 ⋅20809.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 8281 = 395^2 + 91^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (164309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41075 + ... + 41078.

2¹⁶⁴³⁰⁶ is an apocalyptic number.

164306 is a deficient number, since it is larger than the sum of its proper divisors (82156).

164306 is an equidigital number, since it uses as much as digits as its factorization.

164306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82155.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 164306 is about 405.3467651283. The cubic root of 164306 is about 54.7710593631.

Adding to 164306 its reverse (603461), we get a palindrome (767767).

The spelling of 164306 in words is "one hundred sixty-four thousand, three hundred six".