266900650 has 12 divisors (see below), whose sum is σ = 496435302. Its totient is φ = 106760240.

The previous prime is 266900603. The next prime is 266900653. The reversal of 266900650 is 56009662.

It can be written as a sum of positive squares in 3 ways, for example, as 253350889 + 13549761 = 15917^2 + 3681^2 .

It is a super-3 number, since 3×266900650³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (266900653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2668957 + ... + 2669056.

Almost surely, 2^266900650 is an apocalyptic number.

266900650 is a deficient number, since it is larger than the sum of its proper divisors (229534652).

266900650 is a wasteful number, since it uses less digits than its factorization.

266900650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338025 (or 5338020 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 266900650 is about 16337.0942948861. The cubic root of 266900650 is about 643.8477917231.

The spelling of 266900650 in words is "two hundred sixty-six million, nine hundred thousand, six hundred fifty".