195660335166666 has 16 divisors (see below), whose sum is σ = 391328903514144. Its totient is φ = 65218739525424.

The previous prime is 195660335166661. The next prime is 195660335166683. The reversal of 195660335166666 is 666661533066591.

It is a self number, because there is not a number n which added to its sum of digits gives 195660335166666.

It is not an unprimeable number, because it can be changed into a prime (195660335166661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342740236 + ... + 343310631.

It is an arithmetic number, because the mean of its divisors is an integer number (24458056469634).

Almost surely, 2^{195660335166666} is an apocalyptic number.

195660335166666 is an abundant number, since it is smaller than the sum of its proper divisors (195668568347478).

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

195660335166666 is a wasteful number, since it uses less digits than its factorization.

195660335166666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686098405.

The product of its (nonzero) digits is 566870400, while the sum is 69.

The spelling of 195660335166666 in words is "one hundred ninety-five trillion, six hundred sixty billion, three hundred thirty-five million, one hundred sixty-six thousand, six hundred sixty-six".