44081161 has 4 divisors (see below), whose sum is σ = 44170000. Its totient is φ = 43992324.

The previous prime is 44081137. The next prime is 44081173. The reversal of 44081161 is 16118044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44081161 - 2⁵ = 44081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44081761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43671 + ... + 44668.

It is an arithmetic number, because the mean of its divisors is an integer number (11042500).

Almost surely, 2^44081161 is an apocalyptic number.

It is an amenable number.

44081161 is a deficient number, since it is larger than the sum of its proper divisors (88839).

44081161 is an equidigital number, since it uses as much as digits as its factorization.

44081161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88838.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 44081161 is about 6639.3645027216. The cubic root of 44081161 is about 353.2517658121.

The spelling of 44081161 in words is "forty-four million, eighty-one thousand, one hundred sixty-one".