164400308 has 12 divisors (see below), whose sum is σ = 287801892. Its totient is φ = 82171200.

The previous prime is 164400281. The next prime is 164400317. The reversal of 164400308 is 803004461.

It can be written as a sum of positive squares in 2 ways, for example, as 93470224 + 70930084 = 9668^2 + 8422^2 .

It is a super-2 number, since 2×164400308² = 54054922540989728, which contains 22 as substring.

It is a congruent 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, 10208 + ... + 20808.

It is an arithmetic number, because the mean of its divisors is an integer number (23983491).

Almost surely, 2^164400308 is an apocalyptic number.

It is an amenable number.

164400308 is a deficient number, since it is larger than the sum of its proper divisors (123401584).

164400308 is a wasteful number, since it uses less digits than its factorization.

164400308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482 (or 14480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 164400308 is about 12821.8683505954. The cubic root of 164400308 is about 547.8153648326.

Adding to 164400308 its reverse (803004461), we get a palindrome (967404769).

The spelling of 164400308 in words is "one hundred sixty-four million, four hundred thousand, three hundred eight".