7068443612161 has 4 divisors (see below), whose sum is σ = 7072421353732. Its totient is φ = 7064465870592.

The previous prime is 7068443612159. The next prime is 7068443612261. The reversal of 7068443612161 is 1612163448607.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1122497870400 + 5945945741761 = 1059480^2 + 2438431^2 .

It is a cyclic number.

It is not a de Polignac number, because 7068443612161 - 2¹ = 7068443612159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7068443612101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988868120 + ... + 1988871673.

It is an arithmetic number, because the mean of its divisors is an integer number (1768105338433).

Almost surely, 2^{7068443612161} is an apocalyptic number.

It is an amenable number.

7068443612161 is a deficient number, since it is larger than the sum of its proper divisors (3977741571).

7068443612161 is a wasteful number, since it uses less digits than its factorization.

7068443612161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977741570.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 7068443612161 in words is "seven trillion, sixty-eight billion, four hundred forty-three million, six hundred twelve thousand, one hundred sixty-one".