266343168 has 288 divisors, whose sum is σ = 904723456. Its totient is φ = 67682304.

The previous prime is 266343167. The next prime is 266343191. The reversal of 266343168 is 861343662.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (266343167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2585805 + ... + 2585907.

Almost surely, 2^266343168 is an apocalyptic number.

266343168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266343168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452361728).

266343168 is an abundant number, since it is smaller than the sum of its proper divisors (638380288).

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

266343168 is a wasteful number, since it uses less digits than its factorization.

266343168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 165 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 266343168 is about 16320.0235293948. The cubic root of 266343168 is about 643.3992056425.

The spelling of 266343168 in words is "two hundred sixty-six million, three hundred forty-three thousand, one hundred sixty-eight".