2061617199 has 8 divisors (see below), whose sum is σ = 2749169280. Its totient is φ = 1374238296.

The previous prime is 2061617191. The next prime is 2061617209. The reversal of 2061617199 is 9917161602.

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

It is not a de Polignac number, because 2061617199 - 2³ = 2061617191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061617199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061617191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12357 + ... + 65390.

It is an arithmetic number, because the mean of its divisors is an integer number (343646160).

Almost surely, 2^2061617199 is an apocalyptic number.

2061617199 is a deficient number, since it is larger than the sum of its proper divisors (687552081).

2061617199 is an equidigital number, since it uses as much as digits as its factorization.

2061617199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86589.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 2061617199 is about 45405.0349520843. The cubic root of 2061617199 is about 1272.7292040584.

The spelling of 2061617199 in words is "two billion, sixty-one million, six hundred seventeen thousand, one hundred ninety-nine".