164216308 has 24 divisors (see below), whose sum is σ = 294884352. Its totient is φ = 79980384.

The previous prime is 164216287. The next prime is 164216309. The reversal of 164216308 is 803612461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164216308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164216309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39966 + ... + 43882.

It is an arithmetic number, because the mean of its divisors is an integer number (12286848).

Almost surely, 2^164216308 is an apocalyptic number.

It is an amenable number.

164216308 is a deficient number, since it is larger than the sum of its proper divisors (130668044).

164216308 is a wasteful number, since it uses less digits than its factorization.

164216308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 164216308 is about 12814.6911004519. The cubic root of 164216308 is about 547.6109133593.

Adding to 164216308 its reverse (803612461), we get a palindrome (967828769).

The spelling of 164216308 in words is "one hundred sixty-four million, two hundred sixteen thousand, three hundred eight".