3853931161 has 16 divisors (see below), whose sum is σ = 4183779600. Its totient is φ = 3535697920.

The previous prime is 3853931143. The next prime is 3853931171. The reversal of 3853931161 is 1611393583.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 273703936 + 3580227225 = 16544^2 + 59835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3853931161 - 2⁹ = 3853930649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3853931111) 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 15 ways as a sum of consecutive naturals, for example, 1357035 + ... + 1359871.

It is an arithmetic number, because the mean of its divisors is an integer number (261486225).

Almost surely, 2^3853931161 is an apocalyptic number.

It is an amenable number.

3853931161 is a deficient number, since it is larger than the sum of its proper divisors (329848439).

3853931161 is a wasteful number, since it uses less digits than its factorization.

3853931161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844.

The product of its digits is 58320, while the sum is 40.

The square root of 3853931161 is about 62080.0383456711. The cubic root of 3853931161 is about 1567.8384741864.

The spelling of 3853931161 in words is "three billion, eight hundred fifty-three million, nine hundred thirty-one thousand, one hundred sixty-one".