272602781066 has 24 divisors (see below), whose sum is σ = 513664747680. Its totient is φ = 106208875080.

The previous prime is 272602781063. The next prime is 272602781083. The reversal of 272602781066 is 660187206272.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 272602781066.

It is not an unprimeable number, because it can be changed into a prime (272602781063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80459576 + ... + 80462963.

It is an arithmetic number, because the mean of its divisors is an integer number (21402697820).

Almost surely, 2^272602781066 is an apocalyptic number.

272602781066 is a deficient number, since it is larger than the sum of its proper divisors (241061966614).

272602781066 is a wasteful number, since it uses less digits than its factorization.

272602781066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160922570 (or 160922559 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 272602781066 in words is "two hundred seventy-two billion, six hundred two million, seven hundred eighty-one thousand, sixty-six".