266403417113312 has 48 divisors (see below), whose sum is σ = 553615353522000. Its totient is φ = 126191092212864.

The previous prime is 266403417113291. The next prime is 266403417113333. The reversal of 266403417113312 is 213311714304662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (266403417113291) and next prime (266403417113333).

It is a super-4 number, since 4×266403417113312⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606655187 + ... + 607094162.

It is an arithmetic number, because the mean of its divisors is an integer number (11533653198375).

Almost surely, 2^{266403417113312} is an apocalyptic number.

It is an amenable number.

266403417113312 is an abundant number, since it is smaller than the sum of its proper divisors (287211936408688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266403417113312 is an equidigital number, since it uses as much as digits as its factorization.

266403417113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213749416 (or 1213749370 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 266403417113312 in words is "two hundred sixty-six trillion, four hundred three billion, four hundred seventeen million, one hundred thirteen thousand, three hundred twelve".