266820088 has 16 divisors (see below), whose sum is σ = 500582880. Its totient is φ = 133331328.

The previous prime is 266820077. The next prime is 266820101. The reversal of 266820088 is 880028662.

It is a self number, because there is not a number n which added to its sum of digits gives 266820088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6081 + ... + 23887.

It is an arithmetic number, because the mean of its divisors is an integer number (31286430).

Almost surely, 2^266820088 is an apocalyptic number.

It is an amenable number.

266820088 is a deficient number, since it is larger than the sum of its proper divisors (233762792).

266820088 is a wasteful number, since it uses less digits than its factorization.

266820088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19686 (or 19682 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 266820088 is about 16334.6284928675. The cubic root of 266820088 is about 643.7830049625.

The spelling of 266820088 in words is "two hundred sixty-six million, eight hundred twenty thousand, eighty-eight".