266130005 has 8 divisors (see below), whose sum is σ = 320025600. Its totient is φ = 212457616.

The previous prime is 266129999. The next prime is 266130023. The reversal of 266130005 is 500031662.

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 266130005 - 2⁴ = 266129989 is a prime.

It is a super-2 number, since 2×266130005² = 141650359122600050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 53165 + ... + 57954.

It is an arithmetic number, because the mean of its divisors is an integer number (40003200).

Almost surely, 2^266130005 is an apocalyptic number.

It is an amenable number.

266130005 is a deficient number, since it is larger than the sum of its proper divisors (53895595).

266130005 is a wasteful number, since it uses less digits than its factorization.

266130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111603.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 266130005 is about 16313.4915024344. The cubic root of 266130005 is about 643.2275154750.

Adding to 266130005 its reverse (500031662), we get a palindrome (766161667).

The spelling of 266130005 in words is "two hundred sixty-six million, one hundred thirty thousand, five".