266675655 has 8 divisors (see below), whose sum is σ = 426681072. Its totient is φ = 142227008.

The previous prime is 266675641. The next prime is 266675657. The reversal of 266675655 is 556576662.

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

It is a cyclic number.

It is not a de Polignac number, because 266675655 - 2⁷ = 266675527 is a prime.

It is a super-2 number, since 2×266675655² = 142231809939358050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266675657) 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 7 ways as a sum of consecutive naturals, for example, 8889174 + ... + 8889203.

It is an arithmetic number, because the mean of its divisors is an integer number (53335134).

Almost surely, 2^266675655 is an apocalyptic number.

266675655 is a deficient number, since it is larger than the sum of its proper divisors (160005417).

266675655 is a wasteful number, since it uses less digits than its factorization.

266675655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778385.

The product of its digits is 2268000, while the sum is 48.

The square root of 266675655 is about 16330.2068266143. The cubic root of 266675655 is about 643.6668214395. Note that the first 3 decimals are identical.

The spelling of 266675655 in words is "two hundred sixty-six million, six hundred seventy-five thousand, six hundred fifty-five".