272221116671 has 16 divisors (see below), whose sum is σ = 337444833600. Its totient is φ = 214250680320.

The previous prime is 272221116631. The next prime is 272221116679. The reversal of 272221116671 is 176611122272.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 272221116671 - 2¹⁸ = 272220854527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272221116679) 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 15 ways as a sum of consecutive naturals, for example, 27892346 + ... + 27902103.

It is an arithmetic number, because the mean of its divisors is an integer number (21090302100).

Almost surely, 2^272221116671 is an apocalyptic number.

272221116671 is a deficient number, since it is larger than the sum of its proper divisors (65223716929).

272221116671 is a wasteful number, since it uses less digits than its factorization.

272221116671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55794514.

The product of its digits is 28224, while the sum is 38.

The spelling of 272221116671 in words is "two hundred seventy-two billion, two hundred twenty-one million, one hundred sixteen thousand, six hundred seventy-one".