272158249574161 has 4 divisors (see below), whose sum is σ = 273678686722800. Its totient is φ = 270637812425524.

The previous prime is 272158249574137. The next prime is 272158249574203. The reversal of 272158249574161 is 161475942851272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272158249574161 - 2¹¹ = 272158249572113 is a prime.

It is a super-2 number, since 2×272158249574161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272158249574093 and 272158249574102.

It is not an unprimeable number, because it can be changed into a prime (272158249574261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760218574051 + ... + 760218574408.

It is an arithmetic number, because the mean of its divisors is an integer number (68419671680700).

Almost surely, 2^{272158249574161} is an apocalyptic number.

It is an amenable number.

272158249574161 is a deficient number, since it is larger than the sum of its proper divisors (1520437148639).

272158249574161 is a wasteful number, since it uses less digits than its factorization.

272158249574161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520437148638.

The product of its digits is 67737600, while the sum is 64.

The spelling of 272158249574161 in words is "two hundred seventy-two trillion, one hundred fifty-eight billion, two hundred forty-nine million, five hundred seventy-four thousand, one hundred sixty-one".