44161545161 has 8 divisors (see below), whose sum is σ = 44373873600. Its totient is φ = 43949506000.

The previous prime is 44161545157. The next prime is 44161545173. The reversal of 44161545161 is 16154516144.

44161545161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44161545161 - 2² = 44161545157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44161545661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236900 + ... + 380058.

It is an arithmetic number, because the mean of its divisors is an integer number (5546734200).

Almost surely, 2^44161545161 is an apocalyptic number.

It is an amenable number.

44161545161 is a deficient number, since it is larger than the sum of its proper divisors (212328439).

44161545161 is a wasteful number, since it uses less digits than its factorization.

44161545161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144639.

The product of its digits is 57600, while the sum is 38.

The spelling of 44161545161 in words is "forty-four billion, one hundred sixty-one million, five hundred forty-five thousand, one hundred sixty-one".