266204446266 has 48 divisors (see below), whose sum is σ = 591785308800. Its totient is φ = 79761612480.

The previous prime is 266204446243. The next prime is 266204446267. The reversal of 266204446266 is 662644402662.

It is not an unprimeable number, because it can be changed into a prime (266204446267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995346 + ... + 2124573.

It is an arithmetic number, because the mean of its divisors is an integer number (12328860600).

Almost surely, 2^266204446266 is an apocalyptic number.

266204446266 is an abundant number, since it is smaller than the sum of its proper divisors (325580862534).

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

266204446266 is a wasteful number, since it uses less digits than its factorization.

266204446266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120035 (or 4120024 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 266204446266 in words is "two hundred sixty-six billion, two hundred four million, four hundred forty-six thousand, two hundred sixty-six".