196660 has 12 divisors (see below), whose sum is σ = 413028. Its totient is φ = 78656.

The previous prime is 196657. The next prime is 196661. The reversal of 196660 is 66691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86436 + 110224 = 294^2 + 332^2 .

It is a congruent 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4897 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (34419).

2¹⁹⁶⁶⁶⁰ is an apocalyptic number.

196660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196660 is an abundant number, since it is smaller than the sum of its proper divisors (216368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196660 is a wasteful number, since it uses less digits than its factorization.

196660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842 (or 9840 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 196660 is about 443.4636399977. The cubic root of 196660 is about 58.1529849440.

The spelling of 196660 in words is "one hundred ninety-six thousand, six hundred sixty".