266010853800 has 96 divisors (see below), whose sum is σ = 842179132800. Its totient is φ = 69426938880.

The previous prime is 266010853799. The next prime is 266010853813. The reversal of 266010853800 is 8358010662.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4688305 + ... + 4744704.

It is an arithmetic number, because the mean of its divisors is an integer number (8772699300).

Almost surely, 2^266010853800 is an apocalyptic number.

266010853800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266010853800 is an abundant number, since it is smaller than the sum of its proper divisors (576168279000).

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

266010853800 is a wasteful number, since it uses less digits than its factorization.

266010853800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433075 (or 9433066 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 266010853800 in words is "two hundred sixty-six billion, ten million, eight hundred fifty-three thousand, eight hundred".