65700720198352 has 20 divisors (see below), whose sum is σ = 130735554720196. Its totient is φ = 31962512528640.

The previous prime is 65700720198343. The next prime is 65700720198383. The reversal of 65700720198352 is 25389102700756.

It can be written as a sum of positive squares in 2 ways, for example, as 35645150766736 + 30055569431616 = 5970356^2 + 5482296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65700720198293 and 65700720198302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55490472549 + ... + 55490473732.

Almost surely, 2^{65700720198352} is an apocalyptic number.

It is an amenable number.

65700720198352 is a deficient number, since it is larger than the sum of its proper divisors (65034834521844).

65700720198352 is a wasteful number, since it uses less digits than its factorization.

65700720198352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110980946326 (or 110980946320 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 65700720198352 in words is "sixty-five trillion, seven hundred billion, seven hundred twenty million, one hundred ninety-eight thousand, three hundred fifty-two".