3272550643161 has 6 divisors (see below), whose sum is σ = 4727017595690. Its totient is φ = 2181700428768.

The previous prime is 3272550643147. The next prime is 3272550643171. The reversal of 3272550643161 is 1613460552723.

3272550643161 is a `hidden beast` number, since 3 + 2 + 7 + 2 + 550 + 6 + 4 + 31 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3216875409225 + 55675233936 = 1793565^2 + 235956^2 .

It is not a de Polignac number, because 3272550643161 - 2³⁹ = 2722794829273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3272550643111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181808369056 + ... + 181808369073.

Almost surely, 2^{3272550643161} is an apocalyptic number.

It is an amenable number.

3272550643161 is a deficient number, since it is larger than the sum of its proper divisors (1454466952529).

3272550643161 is a wasteful number, since it uses less digits than its factorization.

3272550643161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363616738135 (or 363616738132 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 3272550643161 in words is "three trillion, two hundred seventy-two billion, five hundred fifty million, six hundred forty-three thousand, one hundred sixty-one".