65498027017416 has 256 divisors, whose sum is σ = 197960281344000. Its totient is φ = 17641187665920.

The previous prime is 65498027017393. The next prime is 65498027017421. The reversal of 65498027017416 is 61471072089456.

It is a self number, because there is not a number n which added to its sum of digits gives 65498027017416.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6525652750 + ... + 6525662786.

It is an arithmetic number, because the mean of its divisors is an integer number (773282349000).

Almost surely, 2^{65498027017416} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65498027017416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98980140672000).

65498027017416 is an abundant number, since it is smaller than the sum of its proper divisors (132462254326584).

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

65498027017416 is a wasteful number, since it uses less digits than its factorization.

65498027017416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972 (or 19968 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 65498027017416 in words is "sixty-five trillion, four hundred ninety-eight billion, twenty-seven million, seventeen thousand, four hundred sixteen".