266144163 has 16 divisors (see below), whose sum is σ = 376071840. Its totient is φ = 166841856.

The previous prime is 266144149. The next prime is 266144171. The reversal of 266144163 is 361441662.

It is not a de Polignac number, because 266144163 - 2¹³ = 266135971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266144183) 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, 89781 + ... + 92697.

It is an arithmetic number, because the mean of its divisors is an integer number (23504490).

Almost surely, 2^266144163 is an apocalyptic number.

266144163 is a deficient number, since it is larger than the sum of its proper divisors (109927677).

266144163 is a wasteful number, since it uses less digits than its factorization.

266144163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 20736, while the sum is 33.

The square root of 266144163 is about 16313.9254319738. The cubic root of 266144163 is about 643.2389217470.

The spelling of 266144163 in words is "two hundred sixty-six million, one hundred forty-four thousand, one hundred sixty-three".