266628208 has 120 divisors (see below), whose sum is σ = 671742720. Its totient is φ = 101324160.

The previous prime is 266628203. The next prime is 266628209. The reversal of 266628208 is 802826662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266628203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370473 + ... + 371191.

It is an arithmetic number, because the mean of its divisors is an integer number (5597856).

Almost surely, 2^266628208 is an apocalyptic number.

266628208 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 266628208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335871360).

266628208 is an abundant number, since it is smaller than the sum of its proper divisors (405114512).

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

266628208 is a wasteful number, since it uses less digits than its factorization.

266628208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 266628208 is about 16328.7540247258. The cubic root of 266628208 is about 643.6286453874.

The spelling of 266628208 in words is "two hundred sixty-six million, six hundred twenty-eight thousand, two hundred eight".