194711890071 has 16 divisors (see below), whose sum is σ = 263509887744. Its totient is φ = 127861191744.

The previous prime is 194711890067. The next prime is 194711890097. The reversal of 194711890071 is 170098117491.

It is not a de Polignac number, because 194711890071 - 2² = 194711890067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194711890071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194711890001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3735430 + ... + 3787196.

It is an arithmetic number, because the mean of its divisors is an integer number (16469367984).

Almost surely, 2^194711890071 is an apocalyptic number.

194711890071 is a deficient number, since it is larger than the sum of its proper divisors (68797997673).

194711890071 is a wasteful number, since it uses less digits than its factorization.

194711890071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70550.

The product of its (nonzero) digits is 127008, while the sum is 48.

The spelling of 194711890071 in words is "one hundred ninety-four billion, seven hundred eleven million, eight hundred ninety thousand, seventy-one".