4481661361 has 16 divisors (see below), whose sum is σ = 4589457408. Its totient is φ = 4375336000.

The previous prime is 4481661341. The next prime is 4481661403. The reversal of 4481661361 is 1631661844.

4481661361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4481661361 - 2⁹ = 4481660849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4481661341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3893136 + ... + 3894286.

It is an arithmetic number, because the mean of its divisors is an integer number (286841088).

Almost surely, 2^4481661361 is an apocalyptic number.

It is an amenable number.

4481661361 is a deficient number, since it is larger than the sum of its proper divisors (107796047).

4481661361 is a wasteful number, since it uses less digits than its factorization.

4481661361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 82944, while the sum is 40.

The square root of 4481661361 is about 66945.2116360834. The cubic root of 4481661361 is about 1648.7178727945.

The spelling of 4481661361 in words is "four billion, four hundred eighty-one million, six hundred sixty-one thousand, three hundred sixty-one".