273155163321 has 16 divisors (see below), whose sum is σ = 366603831360. Its totient is φ = 180906982080.

The previous prime is 273155163319. The next prime is 273155163343. The reversal of 273155163321 is 123361551372.

273155163321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 273155163321 - 2¹ = 273155163319 is a prime.

It is a super-2 number, since 2×273155163321² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 273155163321.

It is not an unprimeable number, because it can be changed into a prime (273155163361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292911 + ... + 795051.

It is an arithmetic number, because the mean of its divisors is an integer number (22912739460).

Almost surely, 2^273155163321 is an apocalyptic number.

It is an amenable number.

273155163321 is a deficient number, since it is larger than the sum of its proper divisors (93448668039).

273155163321 is a wasteful number, since it uses less digits than its factorization.

273155163321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503336.

The product of its digits is 113400, while the sum is 39.

The spelling of 273155163321 in words is "two hundred seventy-three billion, one hundred fifty-five million, one hundred sixty-three thousand, three hundred twenty-one".