44073748161 has 16 divisors (see below), whose sum is σ = 65503062720. Its totient is φ = 29288619360.

The previous prime is 44073748127. The next prime is 44073748217. The reversal of 44073748161 is 16184737044.

44073748161 is a `hidden beast` number, since 4 + 40 + 73 + 7 + 481 + 61 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-44073748161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44073748261) 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, 2599155 + ... + 2616056.

It is an arithmetic number, because the mean of its divisors is an integer number (4093941420).

Almost surely, 2^44073748161 is an apocalyptic number.

It is an amenable number.

44073748161 is a deficient number, since it is larger than the sum of its proper divisors (21429314559).

44073748161 is a wasteful number, since it uses less digits than its factorization.

44073748161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215533 (or 5215527 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 44073748161 in words is "forty-four billion, seventy-three million, seven hundred forty-eight thousand, one hundred sixty-one".