65838103892808 has 128 divisors (see below), whose sum is σ = 180606619226880. Its totient is φ = 19875024000000.

The previous prime is 65838103892711. The next prime is 65838103892809. The reversal of 65838103892808 is 80829830183856.

It is not an unprimeable number, because it can be changed into a prime (65838103892809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033484685 + ... + 1033548387.

It is an arithmetic number, because the mean of its divisors is an integer number (1410989212710).

Almost surely, 2^{65838103892808} is an apocalyptic number.

It is an amenable number.

65838103892808 is an abundant number, since it is smaller than the sum of its proper divisors (114768515334072).

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

65838103892808 is a wasteful number, since it uses less digits than its factorization.

65838103892808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126279 (or 126275 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 69.

The spelling of 65838103892808 in words is "sixty-five trillion, eight hundred thirty-eight billion, one hundred three million, eight hundred ninety-two thousand, eight hundred eight".