164194 has 8 divisors (see below), whose sum is σ = 251100. Its totient is φ = 80496.

The previous prime is 164191. The next prime is 164201. The reversal of 164194 is 491461.

It can be written as a sum of positive squares in 2 ways, for example, as 164025 + 169 = 405^2 + 13^2 .

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

It is not an unprimeable number, because it can be changed into a prime (164191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669 + ... + 880.

2¹⁶⁴¹⁹⁴ is an apocalyptic number.

164194 is a deficient number, since it is larger than the sum of its proper divisors (86906).

164194 is a wasteful number, since it uses less digits than its factorization.

164194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its digits is 864, while the sum is 25.

The square root of 164194 is about 405.2085882604. The cubic root of 164194 is about 54.7586115462.

The spelling of 164194 in words is "one hundred sixty-four thousand, one hundred ninety-four".