266012342501060 has 96 divisors (see below), whose sum is σ = 575979290419680. Its totient is φ = 103133541888000.

The previous prime is 266012342501047. The next prime is 266012342501089. The reversal of 266012342501060 is 60105243210662.

It can be written as a sum of positive squares in 16 ways, for example, as 128703443320516 + 137308899180544 = 11344754^2 + 11717888^2 .

It is a super-2 number, since 2×266012342501060² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909916910 + ... + 910209210.

It is an arithmetic number, because the mean of its divisors is an integer number (5999784275205).

Almost surely, 2^{266012342501060} is an apocalyptic number.

266012342501060 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 266012342501060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287989645209840).

266012342501060 is an abundant number, since it is smaller than the sum of its proper divisors (309966947918620).

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

266012342501060 is a wasteful number, since it uses less digits than its factorization.

266012342501060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299577 (or 299575 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 266012342501060 in words is "two hundred sixty-six trillion, twelve billion, three hundred forty-two million, five hundred one thousand, sixty".