3968227161 has 6 divisors (see below), whose sum is σ = 5731883690. Its totient is φ = 2645484768.

The previous prime is 3968227129. The next prime is 3968227163. The reversal of 3968227161 is 1617228693.

3968227161 is a `hidden beast` number, since 396 + 82 + 27 + 161 = 666.

3968227161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3911751936 + 56475225 = 62544^2 + 7515^2 .

It is not a de Polignac number, because 3968227161 - 2⁵ = 3968227129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3968227163) 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 5 ways as a sum of consecutive naturals, for example, 220457056 + ... + 220457073.

Almost surely, 2^3968227161 is an apocalyptic number.

It is an amenable number.

3968227161 is a deficient number, since it is larger than the sum of its proper divisors (1763656529).

3968227161 is a wasteful number, since it uses less digits than its factorization.

3968227161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440914135 (or 440914132 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 3968227161 is about 62993.8660585299. The cubic root of 3968227161 is about 1583.1868542707.

The spelling of 3968227161 in words is "three billion, nine hundred sixty-eight million, two hundred twenty-seven thousand, one hundred sixty-one".