266544451325041 has 8 divisors (see below), whose sum is σ = 269897732483904. Its totient is φ = 263194548790800.

The previous prime is 266544451325039. The next prime is 266544451325051. The reversal of 266544451325041 is 140523154445662.

It is a happy number.

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 266544451325041 - 2¹ = 266544451325039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266544451325041.

It is not an unprimeable number, because it can be changed into a prime (266544451325051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844497381 + ... + 844812946.

It is an arithmetic number, because the mean of its divisors is an integer number (33737216560488).

Almost surely, 2^{266544451325041} is an apocalyptic number.

It is an amenable number.

266544451325041 is a deficient number, since it is larger than the sum of its proper divisors (3353281158863).

266544451325041 is a wasteful number, since it uses less digits than its factorization.

266544451325041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689312311.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 266544451325041 in words is "two hundred sixty-six trillion, five hundred forty-four billion, four hundred fifty-one million, three hundred twenty-five thousand, forty-one".