44661163521161 has 16 divisors (see below), whose sum is σ = 50548217246208. Its totient is φ = 39091897689600.

The previous prime is 44661163521119. The next prime is 44661163521179. The reversal of 44661163521161 is 16112536116644.

It is a happy number.

44661163521161 is digitally balanced in base 2, 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 44661163521161 - 2¹⁰ = 44661163520137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44661163521361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332346920 + ... + 332481273.

It is an arithmetic number, because the mean of its divisors is an integer number (3159263577888).

Almost surely, 2^{44661163521161} is an apocalyptic number.

It is an amenable number.

44661163521161 is a deficient number, since it is larger than the sum of its proper divisors (5887053725047).

44661163521161 is a wasteful number, since it uses less digits than its factorization.

44661163521161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664828432.

The product of its digits is 622080, while the sum is 47.

The spelling of 44661163521161 in words is "forty-four trillion, six hundred sixty-one billion, one hundred sixty-three million, five hundred twenty-one thousand, one hundred sixty-one".