3271606161 has 4 divisors (see below), whose sum is σ = 4362141552. Its totient is φ = 2181070772.

The previous prime is 3271606147. The next prime is 3271606187. The reversal of 3271606161 is 1616061723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3271606161 - 2¹¹ = 3271604113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3271606661) 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, 545267691 + ... + 545267696.

It is an arithmetic number, because the mean of its divisors is an integer number (1090535388).

Almost surely, 2^3271606161 is an apocalyptic number.

It is an amenable number.

3271606161 is a deficient number, since it is larger than the sum of its proper divisors (1090535391).

3271606161 is a wasteful number, since it uses less digits than its factorization.

3271606161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090535390.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3271606161 is about 57197.9559162738. The cubic root of 3271606161 is about 1484.5232570462.

Adding to 3271606161 its reverse (1616061723), we get a palindrome (4887667884).

The spelling of 3271606161 in words is "three billion, two hundred seventy-one million, six hundred six thousand, one hundred sixty-one".