68190879194 has 32 divisors (see below), whose sum is σ = 104167814400. Its totient is φ = 33473756160.

The previous prime is 68190879187. The next prime is 68190879203. The reversal of 68190879194 is 49197809186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22422314 + ... + 22425354.

It is an arithmetic number, because the mean of its divisors is an integer number (3255244200).

Almost surely, 2^68190879194 is an apocalyptic number.

68190879194 is a deficient number, since it is larger than the sum of its proper divisors (35976935206).

68190879194 is a wasteful number, since it uses less digits than its factorization.

68190879194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 68190879194 in words is "sixty-eight billion, one hundred ninety million, eight hundred seventy-nine thousand, one hundred ninety-four".