266813792 has 96 divisors (see below), whose sum is σ = 617766912. Its totient is φ = 111089664.

The previous prime is 266813791. The next prime is 266813801. The reversal of 266813792 is 297318662.

266813792 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266813791) 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, 2100833 + ... + 2100959.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^266813792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266813792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308883456).

266813792 is an abundant number, since it is smaller than the sum of its proper divisors (350953120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266813792 is a wasteful number, since it uses less digits than its factorization.

266813792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 332 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 266813792 is about 16334.4357723186. The cubic root of 266813792 is about 643.7779412637. Note that the first 3 decimals are identical.

The spelling of 266813792 in words is "two hundred sixty-six million, eight hundred thirteen thousand, seven hundred ninety-two".