6843305189661 has 8 divisors (see below), whose sum is σ = 9124451238144. Its totient is φ = 4562181300480.

The previous prime is 6843305189599. The next prime is 6843305189731. The reversal of 6843305189661 is 1669815033486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6843305189661 - 2¹¹ = 6843305187613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6843305189595 and 6843305189604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6843305189761) 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, 4805325 + ... + 6064466.

It is an arithmetic number, because the mean of its divisors is an integer number (1140556404768).

Almost surely, 2^{6843305189661} is an apocalyptic number.

It is an amenable number.

6843305189661 is a deficient number, since it is larger than the sum of its proper divisors (2281146048483).

6843305189661 is a wasteful number, since it uses less digits than its factorization.

6843305189661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079651.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 6843305189661 in words is "six trillion, eight hundred forty-three billion, three hundred five million, one hundred eighty-nine thousand, six hundred sixty-one".