164208214 has 4 divisors (see below), whose sum is σ = 246312324. Its totient is φ = 82104106.

The previous prime is 164208197. The next prime is 164208221. The reversal of 164208214 is 412802461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412802461 = 179 ⋅2306159.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41052052 + ... + 41052055.

It is an arithmetic number, because the mean of its divisors is an integer number (61578081).

Almost surely, 2^164208214 is an apocalyptic number.

164208214 is a deficient number, since it is larger than the sum of its proper divisors (82104110).

164208214 is an equidigital number, since it uses as much as digits as its factorization.

164208214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82104109.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 164208214 is about 12814.3752871531. The cubic root of 164208214 is about 547.6019162107.

The spelling of 164208214 in words is "one hundred sixty-four million, two hundred eight thousand, two hundred fourteen".