266317126 has 8 divisors (see below), whose sum is σ = 399565944. Its totient is φ = 133128480.

The previous prime is 266317111. The next prime is 266317127. The reversal of 266317126 is 621713662.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 266317091 and 266317100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266317127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1560 + ... + 23131.

It is an arithmetic number, because the mean of its divisors is an integer number (49945743).

Almost surely, 2^266317126 is an apocalyptic number.

266317126 is a deficient number, since it is larger than the sum of its proper divisors (133248818).

266317126 is a wasteful number, since it uses less digits than its factorization.

266317126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30086.

The product of its digits is 18144, while the sum is 34.

The square root of 266317126 is about 16319.2256556492. The cubic root of 266317126 is about 643.3782352676.

The spelling of 266317126 in words is "two hundred sixty-six million, three hundred seventeen thousand, one hundred twenty-six".