65808638058 has 8 divisors (see below), whose sum is σ = 131617276128. Its totient is φ = 21936212684.

The previous prime is 65808638047. The next prime is 65808638081. The reversal of 65808638058 is 85083680856.

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

65808638058 is an admirable number.

It is a super-3 number, since 3×65808638058³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 65808637989 and 65808638007.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5484053166 + ... + 5484053177.

It is an arithmetic number, because the mean of its divisors is an integer number (16452159516).

Almost surely, 2^65808638058 is an apocalyptic number.

65808638058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65808638058 is a wasteful number, since it uses less digits than its factorization.

65808638058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968106348.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 65808638058 in words is "sixty-five billion, eight hundred eight million, six hundred thirty-eight thousand, fifty-eight".