266813468 has 12 divisors (see below), whose sum is σ = 467054280. Its totient is φ = 133369392.

The previous prime is 266813441. The next prime is 266813471. The reversal of 266813468 is 864318662.

266813468 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

266813468 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12323 + ... + 26181.

It is an arithmetic number, because the mean of its divisors is an integer number (38921190).

Almost surely, 2^266813468 is an apocalyptic number.

It is an amenable number.

266813468 is a deficient number, since it is larger than the sum of its proper divisors (200240812).

266813468 is a wasteful number, since it uses less digits than its factorization.

266813468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18676 (or 18674 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 266813468 is about 16334.4258546176. The cubic root of 266813468 is about 643.7776806773. Note that the first 3 decimals are identical.

The spelling of 266813468 in words is "two hundred sixty-six million, eight hundred thirteen thousand, four hundred sixty-eight".