2666225793445 has 8 divisors (see below), whose sum is σ = 3230533777536. Its totient is φ = 2112272084496.

The previous prime is 2666225793391. The next prime is 2666225793449. The reversal of 2666225793445 is 5443975226662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2666225793445 - 2¹³ = 2666225785253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666225793449) 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 7 ways as a sum of consecutive naturals, for example, 2588568217 + ... + 2588569246.

It is an arithmetic number, because the mean of its divisors is an integer number (403816722192).

Almost surely, 2^{2666225793445} is an apocalyptic number.

It is an amenable number.

2666225793445 is a deficient number, since it is larger than the sum of its proper divisors (564307984091).

2666225793445 is a wasteful number, since it uses less digits than its factorization.

2666225793445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177137571.

The product of its digits is 130636800, while the sum is 61.

The spelling of 2666225793445 in words is "two trillion, six hundred sixty-six billion, two hundred twenty-five million, seven hundred ninety-three thousand, four hundred forty-five".