2086318081 has 8 divisors (see below), whose sum is σ = 2209970304. Its totient is φ = 1962768960.

The previous prime is 2086318067. The next prime is 2086318103. The reversal of 2086318081 is 1808136802.

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

It is a cyclic number.

It is not a de Polignac number, because 2086318081 - 2⁵ = 2086318049 is a prime.

It is a super-2 number, since 2×2086318081² = 8705446270215045122, which contains 22 as substring.

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 2086318081.

It is not an unprimeable number, because it can be changed into a prime (2086318061) 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, 18036 + ... + 67066.

It is an arithmetic number, because the mean of its divisors is an integer number (276246288).

Almost surely, 2^2086318081 is an apocalyptic number.

It is an amenable number.

2086318081 is a deficient number, since it is larger than the sum of its proper divisors (123652223).

2086318081 is a wasteful number, since it uses less digits than its factorization.

2086318081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51551.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2086318081 is about 45676.2310288404. The cubic root of 2086318081 is about 1277.7920270200.

The spelling of 2086318081 in words is "two billion, eighty-six million, three hundred eighteen thousand, eighty-one".