44260165161 has 27 divisors (see below), whose sum is σ = 66853753239. Its totient is φ = 28214616672.

The previous prime is 44260165129. The next prime is 44260165177. The reversal of 44260165161 is 16156106244.

The square root of 44260165161 is 210381.

It is a perfect power (a square), and thus also a powerful number.

44260165161 is a `hidden beast` number, since 4 + 42 + 601 + 6 + 5 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4770526761 + 39489638400 = 69069^2 + 198720^2 .

It is not a de Polignac number, because 44260165161 - 2⁵ = 44260165129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44260175161) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14514765 + ... + 14517813.

Almost surely, 2^44260165161 is an apocalyptic number.

44260165161 is the 210381-st square number.

44260165161 is the 105191-st centered octagonal number.

It is an amenable number.

44260165161 is a deficient number, since it is larger than the sum of its proper divisors (22593588078).

44260165161 is an frugal number, since it uses more digits than its factorization.

44260165161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Multiplying 44260165161 by its sum of digits (36), we get a square (1593365945796 = 1262286²).

The spelling of 44260165161 in words is "forty-four billion, two hundred sixty million, one hundred sixty-five thousand, one hundred sixty-one".