266612047 has 16 divisors (see below), whose sum is σ = 310411360. Its totient is φ = 226841472.

The previous prime is 266611913. The next prime is 266612069. The reversal of 266612047 is 740216662.

It is not a de Polignac number, because 266612047 - 2¹¹ = 266609999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266612447) 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, 5448 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (19400710).

Almost surely, 2^266612047 is an apocalyptic number.

266612047 is a deficient number, since it is larger than the sum of its proper divisors (43799313).

266612047 is a wasteful number, since it uses less digits than its factorization.

266612047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29242.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 266612047 is about 16328.2591539943. The cubic root of 266612047 is about 643.6156411461.

The spelling of 266612047 in words is "two hundred sixty-six million, six hundred twelve thousand, forty-seven".