266246245 has 16 divisors (see below), whose sum is σ = 333740160. Its totient is φ = 203644224.

The previous prime is 266246219. The next prime is 266246249. The reversal of 266246245 is 542642662.

It is a cyclic number.

It is not a de Polignac number, because 266246245 - 2⁵ = 266246213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266246249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6022 + ... + 23848.

It is an arithmetic number, because the mean of its divisors is an integer number (20858760).

Almost surely, 2^266246245 is an apocalyptic number.

It is an amenable number.

266246245 is a deficient number, since it is larger than the sum of its proper divisors (67493915).

266246245 is a wasteful number, since it uses less digits than its factorization.

266246245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17964.

The product of its digits is 138240, while the sum is 37.

The square root of 266246245 is about 16317.0538088222. The cubic root of 266246245 is about 643.3211512693.

The spelling of 266246245 in words is "two hundred sixty-six million, two hundred forty-six thousand, two hundred forty-five".