65512016612 has 24 divisors (see below), whose sum is σ = 138731330304. Its totient is φ = 26425014912.

The previous prime is 65512016611. The next prime is 65512016657. The reversal of 65512016612 is 21661021556.

It is not an unprimeable number, because it can be changed into a prime (65512016611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68814668 + ... + 68815619.

It is an arithmetic number, because the mean of its divisors is an integer number (5780472096).

Almost surely, 2^65512016612 is an apocalyptic number.

It is an amenable number.

65512016612 is an abundant number, since it is smaller than the sum of its proper divisors (73219313692).

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

65512016612 is a wasteful number, since it uses less digits than its factorization.

65512016612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137630315 (or 137630313 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 65512016612 in words is "sixty-five billion, five hundred twelve million, sixteen thousand, six hundred twelve".