266232565 has 8 divisors (see below), whose sum is σ = 326909088. Its totient is φ = 208032720.

The previous prime is 266232539. The next prime is 266232601. The reversal of 266232565 is 565232662.

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

It is not a de Polignac number, because 266232565 - 2¹⁵ = 266199797 is a prime.

It is a Duffinian number.

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, 618931 + ... + 619360.

It is an arithmetic number, because the mean of its divisors is an integer number (40863636).

Almost surely, 2^266232565 is an apocalyptic number.

It is an amenable number.

266232565 is a deficient number, since it is larger than the sum of its proper divisors (60676523).

266232565 is a wasteful number, since it uses less digits than its factorization.

266232565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238339.

The product of its digits is 129600, while the sum is 37.

The square root of 266232565 is about 16316.6346101149. The cubic root of 266232565 is about 643.3101329179.

The spelling of 266232565 in words is "two hundred sixty-six million, two hundred thirty-two thousand, five hundred sixty-five".