266972608954945 has 8 divisors (see below), whose sum is σ = 321585256719936. Its totient is φ = 212766003181296.

The previous prime is 266972608954897. The next prime is 266972608954963. The reversal of 266972608954945 is 549459806279662.

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 266972608954945 - 2⁹ = 266972608954433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 101510496387 + ... + 101510499016.

It is an arithmetic number, because the mean of its divisors is an integer number (40198157089992).

Almost surely, 2^{266972608954945} is an apocalyptic number.

It is an amenable number.

266972608954945 is a deficient number, since it is larger than the sum of its proper divisors (54612647764991).

266972608954945 is a wasteful number, since it uses less digits than its factorization.

266972608954945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203020995671.

The product of its (nonzero) digits is 14108774400, while the sum is 82.

The spelling of 266972608954945 in words is "two hundred sixty-six trillion, nine hundred seventy-two billion, six hundred eight million, nine hundred fifty-four thousand, nine hundred forty-five".