266334385883201 has 8 divisors (see below), whose sum is σ = 268518582247104. Its totient is φ = 264156899801040.

The previous prime is 266334385883197. The next prime is 266334385883219. The reversal of 266334385883201 is 102388583433662.

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 266334385883201 - 2² = 266334385883197 is a prime.

It is a super-2 number, since 2×266334385883201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266334385883221) 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, 1677490730 + ... + 1677649491.

It is an arithmetic number, because the mean of its divisors is an integer number (33564822780888).

Almost surely, 2^{266334385883201} is an apocalyptic number.

It is an amenable number.

266334385883201 is a deficient number, since it is larger than the sum of its proper divisors (2184196363903).

266334385883201 is a wasteful number, since it uses less digits than its factorization.

266334385883201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355140871.

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 266334385883201 in words is "two hundred sixty-six trillion, three hundred thirty-four billion, three hundred eighty-five million, eight hundred eighty-three thousand, two hundred one".