201716066 has 8 divisors (see below), whose sum is σ = 303086124. Its totient is φ = 100687360.

The previous prime is 201716017. The next prime is 201716071. The reversal of 201716066 is 660617102.

It can be written as a sum of positive squares in 2 ways, for example, as 189640441 + 12075625 = 13771^2 + 3475^2 .

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

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, 83855 + ... + 86226.

Almost surely, 2^201716066 is an apocalyptic number.

201716066 is a deficient number, since it is larger than the sum of its proper divisors (101370058).

201716066 is a wasteful number, since it uses less digits than its factorization.

201716066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170676.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 201716066 is about 14202.6781277335. The cubic root of 201716066 is about 586.4713889643.

The spelling of 201716066 in words is "two hundred one million, seven hundred sixteen thousand, sixty-six".