65165067312 has 40 divisors (see below), whose sum is σ = 171102821040. Its totient is φ = 21365594880.

The previous prime is 65165067211. The next prime is 65165067343. The reversal of 65165067312 is 21376056156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11124987 + ... + 11130842.

It is an arithmetic number, because the mean of its divisors is an integer number (4277570526).

Almost surely, 2^65165067312 is an apocalyptic number.

It is an amenable number.

65165067312 is an abundant number, since it is smaller than the sum of its proper divisors (105937753728).

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

65165067312 is a wasteful number, since it uses less digits than its factorization.

65165067312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22255901 (or 22255895 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 65165067312 in words is "sixty-five billion, one hundred sixty-five million, sixty-seven thousand, three hundred twelve".