164209196 has 6 divisors (see below), whose sum is σ = 287366100. Its totient is φ = 82104596.

The previous prime is 164209187. The next prime is 164209231. The reversal of 164209196 is 691902461.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20526146 + ... + 20526153.

It is an arithmetic number, because the mean of its divisors is an integer number (47894350).

Almost surely, 2^164209196 is an apocalyptic number.

It is an amenable number.

164209196 is a deficient number, since it is larger than the sum of its proper divisors (123156904).

164209196 is a wasteful number, since it uses less digits than its factorization.

164209196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41052303 (or 41052301 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 164209196 is about 12814.4136034389. The cubic root of 164209196 is about 547.6030078005.

The spelling of 164209196 in words is "one hundred sixty-four million, two hundred nine thousand, one hundred ninety-six".