3864716432161 has 6 divisors (see below), whose sum is σ = 4184870456310. Its totient is φ = 3567430552608.

The previous prime is 3864716432077. The next prime is 3864716432243. The reversal of 3864716432161 is 1612346174683.

It can be written as a sum of positive squares in 3 ways, for example, as 134564982561 + 3730151449600 = 366831^2 + 1931360^2 .

It is not a de Polignac number, because 3864716432161 - 2²⁵ = 3864682877729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3864716432099 and 3864716432108.

It is not an unprimeable number, because it can be changed into a prime (3864716432261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11434072116 + ... + 11434072453.

It is an arithmetic number, because the mean of its divisors is an integer number (697478409385).

Almost surely, 2^{3864716432161} is an apocalyptic number.

It is an amenable number.

3864716432161 is a deficient number, since it is larger than the sum of its proper divisors (320154024149).

3864716432161 is a wasteful number, since it uses less digits than its factorization.

3864716432161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868144595 (or 22868144582 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The spelling of 3864716432161 in words is "three trillion, eight hundred sixty-four billion, seven hundred sixteen million, four hundred thirty-two thousand, one hundred sixty-one".