41771593161 has 15 divisors (see below), whose sum is σ = 62402288311. Its totient is φ = 27846502488.

The previous prime is 41771593159. The next prime is 41771593211. The reversal of 41771593161 is 16139517714.

The square root of 41771593161 is 204381.

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

41771593161 is a `hidden beast` number, since 41 + 7 + 7 + 1 + 593 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 180069561 + 41591523600 = 13419^2 + 203940^2 .

It is not a de Polignac number, because 41771593161 - 2¹ = 41771593159 is a prime.

It is a super-3 number, since 3×41771593161³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41771593111) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1828075 + ... + 1850783.

Almost surely, 2^41771593161 is an apocalyptic number.

41771593161 is the 204381-st square number.

41771593161 is the 102191-st centered octagonal number.

It is an amenable number.

41771593161 is a deficient number, since it is larger than the sum of its proper divisors (20630695150).

41771593161 is an frugal number, since it uses more digits than its factorization.

41771593161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45430 (or 22712 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The spelling of 41771593161 in words is "forty-one billion, seven hundred seventy-one million, five hundred ninety-three thousand, one hundred sixty-one".