266481600 has 504 divisors, whose sum is σ = 1120249728. Its totient is φ = 54835200.

The previous prime is 266481599. The next prime is 266481643. The reversal of 266481600 is 6184662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2587149 + ... + 2587251.

Almost surely, 2^266481600 is an apocalyptic number.

266481600 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 266481600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560124864).

266481600 is an abundant number, since it is smaller than the sum of its proper divisors (853768128).

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

266481600 is a wasteful number, since it uses less digits than its factorization.

266481600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 266481600 is about 16324.2641488062. The cubic root of 266481600 is about 643.5106553599.

The spelling of 266481600 in words is "two hundred sixty-six million, four hundred eighty-one thousand, six hundred".