266116260625003 has 4 divisors (see below), whose sum is σ = 266353229691688. Its totient is φ = 265879291558320.

The previous prime is 266116260624979. The next prime is 266116260625037. The reversal of 266116260625003 is 300526062611662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 266116260625003 - 2⁹ = 266116260624491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266116260625403) 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, 118484531658 + ... + 118484533903.

It is an arithmetic number, because the mean of its divisors is an integer number (66588307422922).

Almost surely, 2^{266116260625003} is an apocalyptic number.

266116260625003 is a deficient number, since it is larger than the sum of its proper divisors (236969066685).

266116260625003 is a wasteful number, since it uses less digits than its factorization.

266116260625003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236969066684.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 266116260625003 in words is "two hundred sixty-six trillion, one hundred sixteen billion, two hundred sixty million, six hundred twenty-five thousand, three".