266968329228960 has 384 divisors, whose sum is σ = 864717259553280. Its totient is φ = 69207475814400.

The previous prime is 266968329228917. The next prime is 266968329229009. The reversal of 266968329228960 is 69822923869662.

It is a super-2 number, since 2×266968329228960² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6314123020 + ... + 6314165300.

It is an arithmetic number, because the mean of its divisors is an integer number (2251867863420).

Almost surely, 2^{266968329228960} is an apocalyptic number.

266968329228960 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 266968329228960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432358629776640).

266968329228960 is an abundant number, since it is smaller than the sum of its proper divisors (597748930324320).

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

266968329228960 is a wasteful number, since it uses less digits than its factorization.

266968329228960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44872 (or 44864 counting only the distinct ones).

The product of its (nonzero) digits is 2902376448, while the sum is 78.

The spelling of 266968329228960 in words is "two hundred sixty-six trillion, nine hundred sixty-eight billion, three hundred twenty-nine million, two hundred twenty-eight thousand, nine hundred sixty".