266100213 has 16 divisors (see below), whose sum is σ = 358300800. Its totient is φ = 175659264.

The previous prime is 266100173. The next prime is 266100221. The reversal of 266100213 is 312001662.

It is a happy number.

It is not a de Polignac number, because 266100213 - 2⁸ = 266099957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266100213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138145 + ... + 140057.

It is an arithmetic number, because the mean of its divisors is an integer number (22393800).

Almost surely, 2^266100213 is an apocalyptic number.

It is an amenable number.

266100213 is a deficient number, since it is larger than the sum of its proper divisors (92200587).

266100213 is a wasteful number, since it uses less digits than its factorization.

266100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 266100213 is about 16312.5783676278. The cubic root of 266100213 is about 643.2035124828.

Adding to 266100213 its reverse (312001662), we get a palindrome (578101875).

The spelling of 266100213 in words is "two hundred sixty-six million, one hundred thousand, two hundred thirteen".