2006016217 has 4 divisors (see below), whose sum is σ = 2075189220. Its totient is φ = 1936843216.

The previous prime is 2006016209. The next prime is 2006016223. The reversal of 2006016217 is 7126106002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1725654681 + 280361536 = 41541^2 + 16744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006016217 - 2³ = 2006016209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2006016191 and 2006016200.

It is not an unprimeable number, because it can be changed into a prime (2006016317) 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, 34586458 + ... + 34586515.

It is an arithmetic number, because the mean of its divisors is an integer number (518797305).

Almost surely, 2^2006016217 is an apocalyptic number.

It is an amenable number.

2006016217 is a deficient number, since it is larger than the sum of its proper divisors (69173003).

2006016217 is an equidigital number, since it uses as much as digits as its factorization.

2006016217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69173002.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2006016217 is about 44788.5723929665. The cubic root of 2006016217 is about 1261.1831116731.

The spelling of 2006016217 in words is "two billion, six million, sixteen thousand, two hundred seventeen".