266802955413 has 16 divisors (see below), whose sum is σ = 360586366656. Its totient is φ = 175459011840.

The previous prime is 266802955379. The next prime is 266802955423. The reversal of 266802955413 is 314559208662.

It is a happy number.

It is not a de Polignac number, because 266802955413 - 2¹⁷ = 266802824341 is a prime.

It is a super-2 number, since 2×266802955413² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266802955423) 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, 1793470 + ... + 1936527.

It is an arithmetic number, because the mean of its divisors is an integer number (22536647916).

Almost surely, 2^266802955413 is an apocalyptic number.

It is an amenable number.

266802955413 is a deficient number, since it is larger than the sum of its proper divisors (93783411243).

266802955413 is a wasteful number, since it uses less digits than its factorization.

266802955413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730324.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 266802955413 in words is "two hundred sixty-six billion, eight hundred two million, nine hundred fifty-five thousand, four hundred thirteen".