164995195 has 4 divisors (see below), whose sum is σ = 197994240. Its totient is φ = 131996152.

The previous prime is 164995189. The next prime is 164995241. The reversal of 164995195 is 591599461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591599461 = 43 ⋅13758127.

It is a cyclic number.

It is not a de Polignac number, because 164995195 - 2⁵ = 164995163 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16499515 + ... + 16499524.

It is an arithmetic number, because the mean of its divisors is an integer number (49498560).

Almost surely, 2^164995195 is an apocalyptic number.

164995195 is a deficient number, since it is larger than the sum of its proper divisors (32999045).

164995195 is an equidigital number, since it uses as much as digits as its factorization.

164995195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32999044.

The product of its digits is 437400, while the sum is 49.

The square root of 164995195 is about 12845.0455429321. The cubic root of 164995195 is about 548.4753310511.

The spelling of 164995195 in words is "one hundred sixty-four million, nine hundred ninety-five thousand, one hundred ninety-five".