65198033712 has 60 divisors (see below), whose sum is σ = 208530222160. Its totient is φ = 18628009344.

The previous prime is 65198033707. The next prime is 65198033741. The reversal of 65198033712 is 21733089156.

It is a super-2 number, since 2×65198033712² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32339287 + ... + 32341302.

Almost surely, 2^65198033712 is an apocalyptic number.

It is an amenable number.

65198033712 is an abundant number, since it is smaller than the sum of its proper divisors (143332188448).

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

65198033712 is a wasteful number, since it uses less digits than its factorization.

65198033712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64680610 (or 64680601 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 65198033712 in words is "sixty-five billion, one hundred ninety-eight million, thirty-three thousand, seven hundred twelve".