266230994401 has 4 divisors (see below), whose sum is σ = 266239134400. Its totient is φ = 266222854404.

The previous prime is 266230994399. The next prime is 266230994413. The reversal of 266230994401 is 104499032662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266230994401 - 2¹ = 266230994399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266230994501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020741 + ... + 4086418.

It is an arithmetic number, because the mean of its divisors is an integer number (66559783600).

Almost surely, 2^266230994401 is an apocalyptic number.

It is an amenable number.

266230994401 is a deficient number, since it is larger than the sum of its proper divisors (8139999).

266230994401 is an equidigital number, since it uses as much as digits as its factorization.

266230994401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139998.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 266230994401 in words is "two hundred sixty-six billion, two hundred thirty million, nine hundred ninety-four thousand, four hundred one".