4165075161 has 28 divisors (see below), whose sum is σ = 6725137188. Its totient is φ = 2563117344.

The previous prime is 4165075049. The next prime is 4165075171. The reversal of 4165075161 is 1615705614.

It is a happy number.

4165075161 is a `hidden beast` number, since 41 + 6 + 507 + 51 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 298598400 + 3866476761 = 17280^2 + 62181^2 .

It is not a de Polignac number, because 4165075161 - 2⁹ = 4165074649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4165075171) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 210270 + ... + 229223.

It is an arithmetic number, because the mean of its divisors is an integer number (240183471).

Almost surely, 2^4165075161 is an apocalyptic number.

It is an amenable number.

4165075161 is a deficient number, since it is larger than the sum of its proper divisors (2560062027).

4165075161 is an equidigital number, since it uses as much as digits as its factorization.

4165075161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439524 (or 439509 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 4165075161 is about 64537.3935094996. The cubic root of 4165075161 is about 1608.9440706752.

The spelling of 4165075161 in words is "four billion, one hundred sixty-five million, seventy-five thousand, one hundred sixty-one".