200911661072 has 20 divisors (see below), whose sum is σ = 389358914256. Its totient is φ = 100431941280.

The previous prime is 200911661047. The next prime is 200911661117. The reversal of 200911661072 is 270166119002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423598 + ... + 1558349.

Almost surely, 2^200911661072 is an apocalyptic number.

It is an amenable number.

200911661072 is a deficient number, since it is larger than the sum of its proper divisors (188447253184).

200911661072 is a wasteful number, since it uses less digits than its factorization.

200911661072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986166 (or 2986160 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 200911661072 in words is "two hundred billion, nine hundred eleven million, six hundred sixty-one thousand, seventy-two".