272705610661 has 16 divisors (see below), whose sum is σ = 301118404608. Its totient is φ = 244897116400.

The previous prime is 272705610659. The next prime is 272705610679. The reversal of 272705610661 is 166016507272.

It is a cyclic number.

It is not a de Polignac number, because 272705610661 - 2¹ = 272705610659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272705610691) 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, 11041356 + ... + 11066026.

It is an arithmetic number, because the mean of its divisors is an integer number (18819900288).

Almost surely, 2^272705610661 is an apocalyptic number.

It is an amenable number.

272705610661 is a deficient number, since it is larger than the sum of its proper divisors (28412793947).

272705610661 is a wasteful number, since it uses less digits than its factorization.

272705610661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36872.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 272705610661 in words is "two hundred seventy-two billion, seven hundred five million, six hundred ten thousand, six hundred sixty-one".