164340194 has 8 divisors (see below), whose sum is σ = 248692140. Its totient is φ = 81442816.

The previous prime is 164340181. The next prime is 164340203. The reversal of 164340194 is 491043461.

It is a happy number.

164340194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120714169 + 43626025 = 10987^2 + 6605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164340194.

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, 363359 + ... + 363810.

Almost surely, 2^164340194 is an apocalyptic number.

164340194 is a deficient number, since it is larger than the sum of its proper divisors (84351946).

164340194 is a wasteful number, since it uses less digits than its factorization.

164340194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727284.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 164340194 is about 12819.5239381188. The cubic root of 164340194 is about 547.7485859887.

The spelling of 164340194 in words is "one hundred sixty-four million, three hundred forty thousand, one hundred ninety-four".