2208158472085 has 8 divisors (see below), whose sum is σ = 2721406117176. Its totient is φ = 1718782810560.

The previous prime is 2208158472083. The next prime is 2208158472193. The reversal of 2208158472085 is 5802748518022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 574815683556 + 1633342788529 = 758166^2 + 1278023^2 .

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

It is not a de Polignac number, because 2208158472085 - 2¹ = 2208158472083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208158472083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967995686 + ... + 5967996055.

It is an arithmetic number, because the mean of its divisors is an integer number (340175764647).

Almost surely, 2^{2208158472085} is an apocalyptic number.

It is an amenable number.

2208158472085 is a deficient number, since it is larger than the sum of its proper divisors (513247645091).

2208158472085 is a wasteful number, since it uses less digits than its factorization.

2208158472085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935991783.

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 2208158472085 in words is "two trillion, two hundred eight billion, one hundred fifty-eight million, four hundred seventy-two thousand, eighty-five".