266620602001 has 64 divisors (see below), whose sum is σ = 309300203520. Its totient is φ = 227953440000.

The previous prime is 266620601971. The next prime is 266620602007. The reversal of 266620602001 is 100206026662.

266620602001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266620602001 - 2⁷ = 266620601873 is a prime.

It is a super-2 number, since 2×266620602001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266620602007) 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 63 ways as a sum of consecutive naturals, for example, 360785290 + ... + 360786028.

It is an arithmetic number, because the mean of its divisors is an integer number (4832815680).

Almost surely, 2^266620602001 is an apocalyptic number.

It is an amenable number.

266620602001 is a deficient number, since it is larger than the sum of its proper divisors (42679601519).

266620602001 is a wasteful number, since it uses less digits than its factorization.

266620602001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 266620602001 its reverse (100206026662), we get a palindrome (366826628663).

The spelling of 266620602001 in words is "two hundred sixty-six billion, six hundred twenty million, six hundred two thousand, one".