266133541830 has 32 divisors (see below), whose sum is σ = 687852847584. Its totient is φ = 65509794816.

The previous prime is 266133541741. The next prime is 266133541867. The reversal of 266133541830 is 38145331662.

It is a congruent number.

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, 341196459 + ... + 341197238.

It is an arithmetic number, because the mean of its divisors is an integer number (21495401487).

Almost surely, 2^266133541830 is an apocalyptic number.

266133541830 is an abundant number, since it is smaller than the sum of its proper divisors (421719305754).

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

266133541830 is a wasteful number, since it uses less digits than its factorization.

266133541830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682393720.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 266133541830 in words is "two hundred sixty-six billion, one hundred thirty-three million, five hundred forty-one thousand, eight hundred thirty".