200666640553500 has 384 divisors, whose sum is σ = 651146597756928. Its totient is φ = 47602625280000.

The previous prime is 200666640553487. The next prime is 200666640553501. The reversal of 200666640553500 is 5355046666002.

It is a self number, because there is not a number n which added to its sum of digits gives 200666640553500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200666640553501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4821262690 + ... + 4821304310.

It is an arithmetic number, because the mean of its divisors is an integer number (1695694264992).

Almost surely, 2^{200666640553500} is an apocalyptic number.

200666640553500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200666640553500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325573298878464).

200666640553500 is an abundant number, since it is smaller than the sum of its proper divisors (450479957203428).

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

200666640553500 is a wasteful number, since it uses less digits than its factorization.

200666640553500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47918 (or 47906 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 200666640553500 in words is "two hundred trillion, six hundred sixty-six billion, six hundred forty million, five hundred fifty-three thousand, five hundred".