266950216 has 16 divisors (see below), whose sum is σ = 539034300. Its totient is φ = 123207744.

The previous prime is 266950181. The next prime is 266950261. The reversal of 266950216 is 612059662.

266950216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 262764100 + 4186116 = 16210^2 + 2046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283311 + ... + 1283518.

Almost surely, 2^266950216 is an apocalyptic number.

266950216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

266950216 is an abundant number, since it is smaller than the sum of its proper divisors (272084084).

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

266950216 is a wasteful number, since it uses less digits than its factorization.

266950216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566848 (or 2566844 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 266950216 is about 16338.6112016903. The cubic root of 266950216 is about 643.8876454843.

The spelling of 266950216 in words is "two hundred sixty-six million, nine hundred fifty thousand, two hundred sixteen".