44564615161 has 32 divisors (see below), whose sum is σ = 50805006336. Its totient is φ = 38724480000.

The previous prime is 44564615129. The next prime is 44564615203. The reversal of 44564615161 is 16151646544.

It is a cyclic number.

It is not a de Polignac number, because 44564615161 - 2⁵ = 44564615129 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44564615101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9279961 + ... + 9284761.

It is an arithmetic number, because the mean of its divisors is an integer number (1587656448).

Almost surely, 2^44564615161 is an apocalyptic number.

It is an amenable number.

44564615161 is a deficient number, since it is larger than the sum of its proper divisors (6240391175).

44564615161 is a wasteful number, since it uses less digits than its factorization.

44564615161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its digits is 345600, while the sum is 43.

The spelling of 44564615161 in words is "forty-four billion, five hundred sixty-four million, six hundred fifteen thousand, one hundred sixty-one".