272631316661 has 48 divisors (see below), whose sum is σ = 315658062720. Its totient is φ = 233476172160.

The previous prime is 272631316651. The next prime is 272631316663. The reversal of 272631316661 is 166613136272.

It is not a de Polignac number, because 272631316661 - 2¹⁰ = 272631315637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272631316663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118072175 + ... + 118074483.

It is an arithmetic number, because the mean of its divisors is an integer number (6576209640).

Almost surely, 2^272631316661 is an apocalyptic number.

It is an amenable number.

272631316661 is a deficient number, since it is larger than the sum of its proper divisors (43026746059).

272631316661 is a wasteful number, since it uses less digits than its factorization.

272631316661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2643 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The spelling of 272631316661 in words is "two hundred seventy-two billion, six hundred thirty-one million, three hundred sixteen thousand, six hundred sixty-one".