65980935312 has 40 divisors (see below), whose sum is σ = 170691247680. Its totient is φ = 21962613120.

The previous prime is 65980935299. The next prime is 65980935331. The reversal of 65980935312 is 21353908956.

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 7 ways as a sum of consecutive naturals, for example, 935364 + ... + 1003427.

It is an arithmetic number, because the mean of its divisors is an integer number (4267281192).

Almost surely, 2^65980935312 is an apocalyptic number.

It is an amenable number.

65980935312 is an abundant number, since it is smaller than the sum of its proper divisors (104710312368).

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

65980935312 is a wasteful number, since it uses less digits than its factorization.

65980935312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939511 (or 1939505 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 65980935312 in words is "sixty-five billion, nine hundred eighty million, nine hundred thirty-five thousand, three hundred twelve".