266316454450200 has 384 divisors, whose sum is σ = 1031619349278720. Its totient is φ = 55213562227200.

The previous prime is 266316454450181. The next prime is 266316454450217. The reversal of 266316454450200 is 2054454613662.

It is a self number, because there is not a number n which added to its sum of digits gives 266316454450200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13960477 + ... + 26972723.

It is an arithmetic number, because the mean of its divisors is an integer number (2686508722080).

Almost surely, 2^{266316454450200} is an apocalyptic number.

266316454450200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266316454450200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515809674639360).

266316454450200 is an abundant number, since it is smaller than the sum of its proper divisors (765302894828520).

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

266316454450200 is a wasteful number, since it uses less digits than its factorization.

266316454450200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012727 (or 13012718 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 266316454450200 in words is "two hundred sixty-six trillion, three hundred sixteen billion, four hundred fifty-four million, four hundred fifty thousand, two hundred".