266444021126604 has 48 divisors (see below), whose sum is σ = 630691482193920. Its totient is φ = 87531486430080.

The previous prime is 266444021126581. The next prime is 266444021126611. The reversal of 266444021126604 is 406621120444662.

It is a super-2 number, since 2×266444021126604² (a number of 30 digits) contains 22 as substring.

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, 55323564 + ... + 59946515.

It is an arithmetic number, because the mean of its divisors is an integer number (13139405879040).

Almost surely, 2^{266444021126604} is an apocalyptic number.

It is an amenable number.

266444021126604 is an abundant number, since it is smaller than the sum of its proper divisors (364247461067316).

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

266444021126604 is a wasteful number, since it uses less digits than its factorization.

266444021126604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115272870 (or 115272868 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 266444021126604 in words is "two hundred sixty-six trillion, four hundred forty-four billion, twenty-one million, one hundred twenty-six thousand, six hundred four".