164218316 has 6 divisors (see below), whose sum is σ = 287382060. Its totient is φ = 82109156.

The previous prime is 164218303. The next prime is 164218319. The reversal of 164218316 is 613812461.

164218316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164218319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20527286 + ... + 20527293.

It is an arithmetic number, because the mean of its divisors is an integer number (47897010).

Almost surely, 2^164218316 is an apocalyptic number.

It is an amenable number.

164218316 is a deficient number, since it is larger than the sum of its proper divisors (123163744).

164218316 is a wasteful number, since it uses less digits than its factorization.

164218316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41054583 (or 41054581 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 164218316 is about 12814.7694477895. The cubic root of 164218316 is about 547.6131453711.

The spelling of 164218316 in words is "one hundred sixty-four million, two hundred eighteen thousand, three hundred sixteen".