132163773521 has 4 divisors (see below), whose sum is σ = 142330217652. Its totient is φ = 121997329392.

The previous prime is 132163773517. The next prime is 132163773527. The reversal of 132163773521 is 125377361231.

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 76458333121 + 55705440400 = 276511^2 + 236020^2 .

It is a cyclic number.

It is not a de Polignac number, because 132163773521 - 2² = 132163773517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132163773527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083222046 + ... + 5083222071.

It is an arithmetic number, because the mean of its divisors is an integer number (35582554413).

Almost surely, 2^132163773521 is an apocalyptic number.

It is an amenable number.

132163773521 is a deficient number, since it is larger than the sum of its proper divisors (10166444131).

132163773521 is a wasteful number, since it uses less digits than its factorization.

132163773521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166444130.

The product of its digits is 158760, while the sum is 41.

The spelling of 132163773521 in words is "one hundred thirty-two billion, one hundred sixty-three million, seven hundred seventy-three thousand, five hundred twenty-one".