266116222432633 has 4 divisors (see below), whose sum is σ = 266182701632848. Its totient is φ = 266049743232420.

The previous prime is 266116222432601. The next prime is 266116222432637. The reversal of 266116222432633 is 336234222611662.

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 266116222432633 - 2⁵ = 266116222432601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266116222432637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33239594103 + ... + 33239602108.

It is an arithmetic number, because the mean of its divisors is an integer number (66545675408212).

Almost surely, 2^{266116222432633} is an apocalyptic number.

It is an amenable number.

266116222432633 is a deficient number, since it is larger than the sum of its proper divisors (66479200215).

266116222432633 is an equidigital number, since it uses as much as digits as its factorization.

266116222432633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66479200214.

The product of its digits is 4478976, while the sum is 49.

The spelling of 266116222432633 in words is "two hundred sixty-six trillion, one hundred sixteen billion, two hundred twenty-two million, four hundred thirty-two thousand, six hundred thirty-three".