2002116985 has 8 divisors (see below), whose sum is σ = 2620953216. Its totient is φ = 1456085040.

The previous prime is 2002116983. The next prime is 2002117021. The reversal of 2002116985 is 5896112002.

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

It is not a de Polignac number, because 2002116985 - 2¹ = 2002116983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002116985.

It is not an unprimeable number, because it can be changed into a prime (2002116983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18201009 + ... + 18201118.

It is an arithmetic number, because the mean of its divisors is an integer number (327619152).

Almost surely, 2^2002116985 is an apocalyptic number.

It is an amenable number.

2002116985 is a deficient number, since it is larger than the sum of its proper divisors (618836231).

2002116985 is a wasteful number, since it uses less digits than its factorization.

2002116985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36402143.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 2002116985 is about 44745.0219018831. The cubic root of 2002116985 is about 1260.3654321339.

Adding to 2002116985 its reverse (5896112002), we get a palindrome (7898228987).

The spelling of 2002116985 in words is "two billion, two million, one hundred sixteen thousand, nine hundred eighty-five".