266252855 has 16 divisors (see below), whose sum is σ = 349338528. Its totient is φ = 193200000.

The previous prime is 266252821. The next prime is 266252869. The reversal of 266252855 is 558252662.

It is not a de Polignac number, because 266252855 - 2¹⁴ = 266236471 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 15 ways as a sum of consecutive naturals, for example, 20105 + ... + 30605.

It is an arithmetic number, because the mean of its divisors is an integer number (21833658).

Almost surely, 2^266252855 is an apocalyptic number.

266252855 is a deficient number, since it is larger than the sum of its proper divisors (83085673).

266252855 is a wasteful number, since it uses less digits than its factorization.

266252855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978.

The product of its digits is 288000, while the sum is 41.

The square root of 266252855 is about 16317.2563563854. The cubic root of 266252855 is about 643.3264750597.

The spelling of 266252855 in words is "two hundred sixty-six million, two hundred fifty-two thousand, eight hundred fifty-five".