266685117 has 8 divisors (see below), whose sum is σ = 357967200. Its totient is φ = 176596560.

The previous prime is 266685113. The next prime is 266685143. The reversal of 266685117 is 711586662.

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

It is not a de Polignac number, because 266685117 - 2² = 266685113 is a prime.

It is a super-2 number, since 2×266685117² = 142241903258607378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266685113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297859 + ... + 298752.

It is an arithmetic number, because the mean of its divisors is an integer number (44745900).

Almost surely, 2^266685117 is an apocalyptic number.

It is an amenable number.

266685117 is a deficient number, since it is larger than the sum of its proper divisors (91282083).

266685117 is a wasteful number, since it uses less digits than its factorization.

266685117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596763.

The product of its digits is 120960, while the sum is 42.

The square root of 266685117 is about 16330.4965325614. The cubic root of 266685117 is about 643.6744340622.

The spelling of 266685117 in words is "two hundred sixty-six million, six hundred eighty-five thousand, one hundred seventeen".