266349159350016 has 144 divisors (see below), whose sum is σ = 725417975487744. Its totient is φ = 86711723384832.

The previous prime is 266349159350011. The next prime is 266349159350017. The reversal of 266349159350016 is 610053951943662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266349159350011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442782445 + ... + 443383571.

It is an arithmetic number, because the mean of its divisors is an integer number (5037624829776).

Almost surely, 2^{266349159350016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266349159350016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362708987743872).

266349159350016 is an abundant number, since it is smaller than the sum of its proper divisors (459068816137728).

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

266349159350016 is a wasteful number, since it uses less digits than its factorization.

266349159350016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614606 (or 614592 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 60.

The spelling of 266349159350016 in words is "two hundred sixty-six trillion, three hundred forty-nine billion, one hundred fifty-nine million, three hundred fifty thousand, sixteen".