266668800 has 432 divisors, whose sum is σ = 1003685760. Its totient is φ = 61931520.

The previous prime is 266668799. The next prime is 266668823. The reversal of 266668800 is 8866662.

It is a super-2 number, since 2×266668800² = 142224497786880000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6201579 + ... + 6201621.

Almost surely, 2^266668800 is an apocalyptic number.

266668800 is a gapful number since it is divisible by the number (20) 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 266668800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501842880).

266668800 is an abundant number, since it is smaller than the sum of its proper divisors (737016960).

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

266668800 is a wasteful number, since it uses less digits than its factorization.

266668800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 266668800 is about 16329.9969381504. The cubic root of 266668800 is about 643.6613061581.

The spelling of 266668800 in words is "two hundred sixty-six million, six hundred sixty-eight thousand, eight hundred".