200665565034 has 64 divisors (see below), whose sum is σ = 448970594688. Its totient is φ = 59261619200.

The previous prime is 200665565027. The next prime is 200665565129. The reversal of 200665565034 is 430565566002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539912 + ... + 2617724.

It is an arithmetic number, because the mean of its divisors is an integer number (7015165542).

Almost surely, 2^200665565034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200665565034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224485297344).

200665565034 is an abundant number, since it is smaller than the sum of its proper divisors (248305029654).

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

200665565034 is a wasteful number, since it uses less digits than its factorization.

200665565034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78823.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 200665565034 in words is "two hundred billion, six hundred sixty-five million, five hundred sixty-five thousand, thirty-four".