196655058861966 has 48 divisors (see below), whose sum is σ = 428475194044560. Its totient is φ = 65184127107840.

The previous prime is 196655058861959. The next prime is 196655058862039. The reversal of 196655058861966 is 669168850556691.

196655058861966 is a `hidden beast` number, since 1 + 9 + 6 + 6 + 550 + 58 + 8 + 6 + 1 + 9 + 6 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161592486 + ... + 162804918.

It is an arithmetic number, because the mean of its divisors is an integer number (8926566542595).

Almost surely, 2^{196655058861966} is an apocalyptic number.

196655058861966 is an abundant number, since it is smaller than the sum of its proper divisors (231820135182594).

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

196655058861966 is a wasteful number, since it uses less digits than its factorization.

196655058861966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262961 (or 1262958 counting only the distinct ones).

The product of its (nonzero) digits is 5038848000, while the sum is 81.

The spelling of 196655058861966 in words is "one hundred ninety-six trillion, six hundred fifty-five billion, fifty-eight million, eight hundred sixty-one thousand, nine hundred sixty-six".