201660234 has 8 divisors (see below), whose sum is σ = 403320480. Its totient is φ = 67220076.

The previous prime is 201660223. The next prime is 201660241. The reversal of 201660234 is 432066102.

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

201660234 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16805014 + ... + 16805025.

It is an arithmetic number, because the mean of its divisors is an integer number (50415060).

Almost surely, 2^201660234 is an apocalyptic number.

201660234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201660234 is a wasteful number, since it uses less digits than its factorization.

201660234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33610044.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 201660234 is about 14200.7124469162. The cubic root of 201660234 is about 586.4172751255.

The spelling of 201660234 in words is "two hundred one million, six hundred sixty thousand, two hundred thirty-four".