272005265165 has 4 divisors (see below), whose sum is σ = 326406318204. Its totient is φ = 217604212128.

The previous prime is 272005265143. The next prime is 272005265167. The reversal of 272005265165 is 561562500272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169515005284 + 102490259881 = 411722^2 + 320141^2 .

It is a cyclic number.

It is not a de Polignac number, because 272005265165 - 2²⁸ = 271736829709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272005265167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27200526512 + ... + 27200526521.

It is an arithmetic number, because the mean of its divisors is an integer number (81601579551).

Almost surely, 2^272005265165 is an apocalyptic number.

It is an amenable number.

272005265165 is a deficient number, since it is larger than the sum of its proper divisors (54401053039).

272005265165 is an equidigital number, since it uses as much as digits as its factorization.

272005265165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54401053038.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 272005265165 in words is "two hundred seventy-two billion, five million, two hundred sixty-five thousand, one hundred sixty-five".