266444361541360 has 160 divisors (see below), whose sum is σ = 668026883543040. Its totient is φ = 98543416012800.

The previous prime is 266444361541313. The next prime is 266444361541373. The reversal of 266444361541360 is 63145163444662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47601171 + ... + 52903309.

It is an arithmetic number, because the mean of its divisors is an integer number (4175168022144).

Almost surely, 2^{266444361541360} is an apocalyptic number.

266444361541360 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 266444361541360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334013441771520).

266444361541360 is an abundant number, since it is smaller than the sum of its proper divisors (401582522001680).

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

266444361541360 is a wasteful number, since it uses less digits than its factorization.

266444361541360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303087 (or 5303081 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 55.

The spelling of 266444361541360 in words is "two hundred sixty-six trillion, four hundred forty-four billion, three hundred sixty-one million, five hundred forty-one thousand, three hundred sixty".