266104344586080 has 2304 divisors, whose sum is σ = 1244750906327040. Its totient is φ = 46794450124800.

The previous prime is 266104344586063. The next prime is 266104344586109. The reversal of 266104344586080 is 80685443401662.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 266104344586080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1980951877 + ... + 1981086203.

It is an arithmetic number, because the mean of its divisors is an integer number (540256469760).

Almost surely, 2^{266104344586080} is an apocalyptic number.

266104344586080 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 266104344586080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622375453163520).

266104344586080 is an abundant number, since it is smaller than the sum of its proper divisors (978646561740960).

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

266104344586080 is a wasteful number, since it uses less digits than its factorization.

266104344586080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134433 (or 134418 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 266104344586080 in words is "two hundred sixty-six trillion, one hundred four billion, three hundred forty-four million, five hundred eighty-six thousand, eighty".