272160756081 has 8 divisors (see below), whose sum is σ = 403201120160. Its totient is φ = 181440504036.

The previous prime is 272160755983. The next prime is 272160756121. The reversal of 272160756081 is 180657061272.

272160756081 is a `hidden beast` number, since 2 + 7 + 2 + 1 + 6 + 0 + 7 + 560 + 81 = 666.

It is not a de Polignac number, because 272160756081 - 2⁷ = 272160755953 is a prime.

It is a super-2 number, since 2×272160756081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272160752081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040013975 + ... + 5040014028.

It is an arithmetic number, because the mean of its divisors is an integer number (50400140020).

Almost surely, 2^272160756081 is an apocalyptic number.

It is an amenable number.

272160756081 is a deficient number, since it is larger than the sum of its proper divisors (131040364079).

272160756081 is a wasteful number, since it uses less digits than its factorization.

272160756081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080028012 (or 10080028006 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 272160756081 in words is "two hundred seventy-two billion, one hundred sixty million, seven hundred fifty-six thousand, eighty-one".