200646641 has 8 divisors (see below), whose sum is σ = 225476160. Its totient is φ = 177159312.

The previous prime is 200646623. The next prime is 200646683. The reversal of 200646641 is 146646002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200646641 - 2¹⁸ = 200384497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200646241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335231 + ... + 335828.

It is an arithmetic number, because the mean of its divisors is an integer number (28184520).

Almost surely, 2^200646641 is an apocalyptic number.

It is an amenable number.

200646641 is a deficient number, since it is larger than the sum of its proper divisors (24829519).

200646641 is a wasteful number, since it uses less digits than its factorization.

200646641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671095.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 200646641 is about 14164.9793857951. The cubic root of 200646641 is about 585.4331328547.

The spelling of 200646641 in words is "two hundred million, six hundred forty-six thousand, six hundred forty-one".