200188246668 has 12 divisors (see below), whose sum is σ = 467105908920. Its totient is φ = 66729415552.

The previous prime is 200188246663. The next prime is 200188246691. The reversal of 200188246668 is 866642881002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 200188246668.

It is not an unprimeable number, because it can be changed into a prime (200188246663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8341176933 + ... + 8341176956.

It is an arithmetic number, because the mean of its divisors is an integer number (38925492410).

Almost surely, 2^200188246668 is an apocalyptic number.

It is an amenable number.

200188246668 is an abundant number, since it is smaller than the sum of its proper divisors (266917662252).

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

200188246668 is a wasteful number, since it uses less digits than its factorization.

200188246668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682353896 (or 16682353894 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 200188246668 in words is "two hundred billion, one hundred eighty-eight million, two hundred forty-six thousand, six hundred sixty-eight".