66194 has 8 divisors (see below), whose sum is σ = 103680. Its totient is φ = 31636.

The previous prime is 66191. The next prime is 66221. The reversal of 66194 is 49166.

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 (66191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2⁶⁶¹⁹⁴ is an apocalyptic number.

66194 is a deficient number, since it is larger than the sum of its proper divisors (37486).

66194 is a wasteful number, since it uses less digits than its factorization.

66194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its digits is 1296, while the sum is 26.

The square root of 66194 is about 257.2819465100. The cubic root of 66194 is about 40.4519574615.

The spelling of 66194 in words is "sixty-six thousand, one hundred ninety-four".