266936245 has 8 divisors (see below), whose sum is σ = 321217920. Its totient is φ = 212952720.

The previous prime is 266936239. The next prime is 266936269. The reversal of 266936245 is 542639662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266936245 - 2⁹ = 266935733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72561 + ... + 76150.

It is an arithmetic number, because the mean of its divisors is an integer number (40152240).

Almost surely, 2^266936245 is an apocalyptic number.

It is an amenable number.

266936245 is a deficient number, since it is larger than the sum of its proper divisors (54281675).

266936245 is a wasteful number, since it uses less digits than its factorization.

266936245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149075.

The product of its digits is 466560, while the sum is 43.

The square root of 266936245 is about 16338.1836505776. The cubic root of 266936245 is about 643.8764125394.

The spelling of 266936245 in words is "two hundred sixty-six million, nine hundred thirty-six thousand, two hundred forty-five".