266116026656344 has 32 divisors (see below), whose sum is σ = 500839579825200. Its totient is φ = 132559232607360.

The previous prime is 266116026656341. The next prime is 266116026656383. The reversal of 266116026656344 is 443656620611662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266116026656341) 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, 21717967 + ... + 31684414.

Almost surely, 2^{266116026656344} is an apocalyptic number.

It is an amenable number.

266116026656344 is a deficient number, since it is larger than the sum of its proper divisors (234723553168856).

266116026656344 is a wasteful number, since it uses less digits than its factorization.

266116026656344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53404723 (or 53404719 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 58.

The spelling of 266116026656344 in words is "two hundred sixty-six trillion, one hundred sixteen billion, twenty-six million, six hundred fifty-six thousand, three hundred forty-four".