266063321260 has 48 divisors (see below), whose sum is σ = 609572047392. Its totient is φ = 96743129600.

The previous prime is 266063321219. The next prime is 266063321287. The reversal of 266063321260 is 62123360662.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3605130 + ... + 3678190.

It is an arithmetic number, because the mean of its divisors is an integer number (12699417654).

Almost surely, 2^266063321260 is an apocalyptic number.

266063321260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266063321260 is an abundant number, since it is smaller than the sum of its proper divisors (343508726132).

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

266063321260 is a wasteful number, since it uses less digits than its factorization.

266063321260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89634 (or 89632 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 266063321260 in words is "two hundred sixty-six billion, sixty-three million, three hundred twenty-one thousand, two hundred sixty".