266030001 has 20 divisors (see below), whose sum is σ = 418321200. Its totient is φ = 168017976.

The previous prime is 266029993. The next prime is 266030033. The reversal of 266030001 is 100030662.

It is a happy number.

266030001 is a `hidden beast` number, since 2 + 660 + 3 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 266030001 - 2³ = 266029993 is a prime.

It is a super-2 number, since 2×266030001² = 141543922864120002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266030041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84891 + ... + 87968.

It is an arithmetic number, because the mean of its divisors is an integer number (20916060).

Almost surely, 2^266030001 is an apocalyptic number.

It is an amenable number.

266030001 is a deficient number, since it is larger than the sum of its proper divisors (152291199).

266030001 is a wasteful number, since it uses less digits than its factorization.

266030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172890 (or 172881 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 266030001 is about 16310.4261440344. The cubic root of 266030001 is about 643.1469365823.

Adding to 266030001 its reverse (100030662), we get a palindrome (366060663).

The spelling of 266030001 in words is "two hundred sixty-six million, thirty thousand, one".