266142050206655 has 16 divisors (see below), whose sum is σ = 365003550457920. Its totient is φ = 182493036483072.

The previous prime is 266142050206633. The next prime is 266142050206657. The reversal of 266142050206655 is 556602050241662.

It is not a de Polignac number, because 266142050206655 - 2⁸ = 266142050206399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266142050206657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89545520 + ... + 92469909.

It is an arithmetic number, because the mean of its divisors is an integer number (22812721903620).

Almost surely, 2^{266142050206655} is an apocalyptic number.

266142050206655 is a deficient number, since it is larger than the sum of its proper divisors (98861500251265).

266142050206655 is a wasteful number, since it uses less digits than its factorization.

266142050206655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182057218.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 266142050206655 in words is "two hundred sixty-six trillion, one hundred forty-two billion, fifty million, two hundred six thousand, six hundred fifty-five".