200661168 has 20 divisors (see below), whose sum is σ = 518374808. Its totient is φ = 66887040.

The previous prime is 200661161. The next prime is 200661173. The reversal of 200661168 is 861166002.

It is not an unprimeable number, because it can be changed into a prime (200661161) 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, 2090173 + ... + 2090268.

Almost surely, 2^200661168 is an apocalyptic number.

It is an amenable number.

200661168 is an abundant number, since it is smaller than the sum of its proper divisors (317713640).

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

200661168 is a wasteful number, since it uses less digits than its factorization.

200661168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180452 (or 4180446 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 200661168 is about 14165.4921552341. The cubic root of 200661168 is about 585.4472611448.

The spelling of 200661168 in words is "two hundred million, six hundred sixty-one thousand, one hundred sixty-eight".