266055289473 has 16 divisors (see below), whose sum is σ = 355243115520. Its totient is φ = 177119002704.

The previous prime is 266055289471. The next prime is 266055289501. The reversal of 266055289473 is 374982550662.

It is not a de Polignac number, because 266055289473 - 2¹ = 266055289471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266055289471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6535540 + ... + 6576122.

It is an arithmetic number, because the mean of its divisors is an integer number (22202694720).

Almost surely, 2^266055289473 is an apocalyptic number.

It is an amenable number.

266055289473 is a deficient number, since it is larger than the sum of its proper divisors (89187826047).

266055289473 is a wasteful number, since it uses less digits than its factorization.

266055289473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43628.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 266055289473 in words is "two hundred sixty-six billion, fifty-five million, two hundred eighty-nine thousand, four hundred seventy-three".