4161161325 has 12 divisors (see below), whose sum is σ = 6879786848. Its totient is φ = 2219286000.

The previous prime is 4161161321. The next prime is 4161161327. The reversal of 4161161325 is 5231611614.

It is a happy number.

It is not a de Polignac number, because 4161161325 - 2² = 4161161321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4161161292 and 4161161301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161161321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27741001 + ... + 27741150.

Almost surely, 2^4161161325 is an apocalyptic number.

It is an amenable number.

4161161325 is a deficient number, since it is larger than the sum of its proper divisors (2718625523).

4161161325 is a wasteful number, since it uses less digits than its factorization.

4161161325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55482164 (or 55482159 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 4161161325 is about 64507.0641480451. The cubic root of 4161161325 is about 1608.4399487850.

Adding to 4161161325 its reverse (5231611614), we get a palindrome (9392772939).

The spelling of 4161161325 in words is "four billion, one hundred sixty-one million, one hundred sixty-one thousand, three hundred twenty-five".