568166440071 has 4 divisors (see below), whose sum is σ = 757555253432. Its totient is φ = 378777626712.

The previous prime is 568166440069. The next prime is 568166440103. The reversal of 568166440071 is 170044661865.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 568166440071 - 2¹ = 568166440069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 568166440071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568166440021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 94694406676 + ... + 94694406681.

It is an arithmetic number, because the mean of its divisors is an integer number (189388813358).

Almost surely, 2^568166440071 is an apocalyptic number.

568166440071 is a deficient number, since it is larger than the sum of its proper divisors (189388813361).

568166440071 is a wasteful number, since it uses less digits than its factorization.

568166440071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189388813360.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 568166440071 in words is "five hundred sixty-eight billion, one hundred sixty-six million, four hundred forty thousand, seventy-one".