164304506 has 4 divisors (see below), whose sum is σ = 246456762. Its totient is φ = 82152252.

The previous prime is 164304493. The next prime is 164304563. The reversal of 164304506 is 605403461.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 159643225 + 4661281 = 12635^2 + 2159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41076125 + ... + 41076128.

Almost surely, 2^164304506 is an apocalyptic number.

164304506 is a deficient number, since it is larger than the sum of its proper divisors (82152256).

164304506 is an equidigital number, since it uses as much as digits as its factorization.

164304506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82152255.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164304506 is about 12818.1319231782. The cubic root of 164304506 is about 547.7089335535.

Adding to 164304506 its reverse (605403461), we get a palindrome (769707967).

The spelling of 164304506 in words is "one hundred sixty-four million, three hundred four thousand, five hundred six".