266012161350404 has 36 divisors (see below), whose sum is σ = 541554549491340. Its totient is φ = 113998939911360.

The previous prime is 266012161350359. The next prime is 266012161350409. The reversal of 266012161350404 is 404053161210662.

It can be written as a sum of positive squares in 2 ways, for example, as 196890064189504 + 69122097160900 = 14031752^2 + 8313970^2 .

It is not an unprimeable number, because it can be changed into a prime (266012161350409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33761339 + ... + 40888290.

It is an arithmetic number, because the mean of its divisors is an integer number (15043181930315).

Almost surely, 2^{266012161350404} is an apocalyptic number.

It is an amenable number.

266012161350404 is an abundant number, since it is smaller than the sum of its proper divisors (275542388140936).

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

266012161350404 is a wasteful number, since it uses less digits than its factorization.

266012161350404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74667828 (or 74667819 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 266012161350404 in words is "two hundred sixty-six trillion, twelve billion, one hundred sixty-one million, three hundred fifty thousand, four hundred four".