196556 has 6 divisors (see below), whose sum is σ = 343980. Its totient is φ = 98276.

The previous prime is 196549. The next prime is 196561. The reversal of 196556 is 655691.

It is a super-2 number, since 2×196556² = 77268522272, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 196556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24566 + ... + 24573.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2¹⁹⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

196556 is a deficient number, since it is larger than the sum of its proper divisors (147424).

196556 is a wasteful number, since it uses less digits than its factorization.

196556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49143 (or 49141 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 196556 is about 443.3463657232. The cubic root of 196556 is about 58.1427320933.

The spelling of 196556 in words is "one hundred ninety-six thousand, five hundred fifty-six".