3280772161 has 16 divisors (see below), whose sum is σ = 3608985600. Its totient is φ = 2971191888.

The previous prime is 3280772137. The next prime is 3280772177. The reversal of 3280772161 is 1612770823.

It is a cyclic number.

It is not a de Polignac number, because 3280772161 - 2¹¹ = 3280770113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3280772161.

It is not an unprimeable number, because it can be changed into a prime (3280772101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4321 + ... + 81118.

It is an arithmetic number, because the mean of its divisors is an integer number (225561600).

Almost surely, 2^3280772161 is an apocalyptic number.

It is an amenable number.

3280772161 is a deficient number, since it is larger than the sum of its proper divisors (328213439).

3280772161 is a wasteful number, since it uses less digits than its factorization.

3280772161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85548.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 3280772161 is about 57278.0251143490. The cubic root of 3280772161 is about 1485.9083516675.

The spelling of 3280772161 in words is "three billion, two hundred eighty million, seven hundred seventy-two thousand, one hundred sixty-one".