7071533607161 has 4 divisors (see below), whose sum is σ = 7088330599524. Its totient is φ = 7054736614800.

The previous prime is 7071533607139. The next prime is 7071533607239. The reversal of 7071533607161 is 1617063351707.

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 256400449600 + 6815133157561 = 506360^2 + 2610581^2 .

It is a cyclic number.

It is not a de Polignac number, because 7071533607161 - 2¹⁴ = 7071533590777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7071533607121) 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, 8398495550 + ... + 8398496391.

It is an arithmetic number, because the mean of its divisors is an integer number (1772082649881).

Almost surely, 2^{7071533607161} is an apocalyptic number.

It is an amenable number.

7071533607161 is a deficient number, since it is larger than the sum of its proper divisors (16796992363).

7071533607161 is a wasteful number, since it uses less digits than its factorization.

7071533607161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796992362.

The product of its (nonzero) digits is 555660, while the sum is 47.

Adding to 7071533607161 its reverse (1617063351707), we get a palindrome (8688596958868).

The spelling of 7071533607161 in words is "seven trillion, seventy-one billion, five hundred thirty-three million, six hundred seven thousand, one hundred sixty-one".