195190084666 has 16 divisors (see below), whose sum is σ = 297188325504. Its totient is φ = 96137907264.

The previous prime is 195190084643. The next prime is 195190084673. The reversal of 195190084666 is 666480091591.

195190084666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612466 + ... + 2686141.

It is an arithmetic number, because the mean of its divisors is an integer number (18574270344).

Almost surely, 2^195190084666 is an apocalyptic number.

195190084666 is a deficient number, since it is larger than the sum of its proper divisors (101998240838).

195190084666 is a wasteful number, since it uses less digits than its factorization.

195190084666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298885.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 195190084666 in words is "one hundred ninety-five billion, one hundred ninety million, eighty-four thousand, six hundred sixty-six".