164850305 has 4 divisors (see below), whose sum is σ = 197820372. Its totient is φ = 131880240.

The previous prime is 164850271. The next prime is 164850359. The reversal of 164850305 is 503058461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503058461 = 23 ⋅21872107.

It can be written as a sum of positive squares in 2 ways, for example, as 96275344 + 68574961 = 9812^2 + 8281^2 .

It is not a de Polignac number, because 164850305 - 2¹⁰ = 164849281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16485026 + ... + 16485035.

It is an arithmetic number, because the mean of its divisors is an integer number (49455093).

Almost surely, 2^164850305 is an apocalyptic number.

It is an amenable number.

164850305 is a deficient number, since it is larger than the sum of its proper divisors (32970067).

164850305 is an equidigital number, since it uses as much as digits as its factorization.

164850305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970066.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 164850305 is about 12839.4043864971. The cubic root of 164850305 is about 548.3147367506.

The spelling of 164850305 in words is "one hundred sixty-four million, eight hundred fifty thousand, three hundred five".