266480199 has 10 divisors (see below), whose sum is σ = 398075480. Its totient is φ = 177653412.

The previous prime is 266480191. The next prime is 266480209. The reversal of 266480199 is 991084662.

It is a happy number.

It is not a de Polignac number, because 266480199 - 2³ = 266480191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266480191) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1644859 + ... + 1645020.

It is an arithmetic number, because the mean of its divisors is an integer number (39807548).

Almost surely, 2^266480199 is an apocalyptic number.

266480199 is a deficient number, since it is larger than the sum of its proper divisors (131595281).

266480199 is an equidigital number, since it uses as much as digits as its factorization.

266480199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289891 (or 3289882 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 266480199 is about 16324.2212371678. The cubic root of 266480199 is about 643.5095276272.

The spelling of 266480199 in words is "two hundred sixty-six million, four hundred eighty thousand, one hundred ninety-nine".