196667 has 4 divisors (see below), whose sum is σ = 197880. Its totient is φ = 195456.

The previous prime is 196663. The next prime is 196681. The reversal of 196667 is 766691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766691 = 101 ⋅7591.

It is a cyclic number.

It is not a de Polignac number, because 196667 - 2² = 196663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (49470).

2¹⁹⁶⁶⁶⁷ is an apocalyptic number.

196667 is a deficient number, since it is larger than the sum of its proper divisors (1213).

196667 is a wasteful number, since it uses less digits than its factorization.

196667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its digits is 13608, while the sum is 35.

The square root of 196667 is about 443.4715323445. The cubic root of 196667 is about 58.1536749099.

The spelling of 196667 in words is "one hundred ninety-six thousand, six hundred sixty-seven".