65798443917376 has 63 divisors (see below), whose sum is σ = 131350293540823. Its totient is φ = 32703472248320.

The previous prime is 65798443917361. The next prime is 65798443917397. The reversal of 65798443917376 is 67371934489756.

The square root of 65798443917376 is 8111624.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11519507521600 + 54278936395776 = 3394040^2 + 7367424^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65798443917296 and 65798443917305.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11226484686 + ... + 11226490546.

Almost surely, 2^{65798443917376} is an apocalyptic number.

65798443917376 is the 8111624-th square number.

It is an amenable number.

65798443917376 is a deficient number, since it is larger than the sum of its proper divisors (65551849623447).

65798443917376 is an frugal number, since it uses more digits than its factorization.

65798443917376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080 (or 6036 counting only the distinct ones).

The product of its digits is 5761082880, while the sum is 79.

The spelling of 65798443917376 in words is "sixty-five trillion, seven hundred ninety-eight billion, four hundred forty-three million, nine hundred seventeen thousand, three hundred seventy-six".