65512423916 has 12 divisors (see below), whose sum is σ = 116261485200. Its totient is φ = 32294856720.

The previous prime is 65512423883. The next prime is 65512423919. The reversal of 65512423916 is 61932421556.

It is not an unprimeable number, because it can be changed into a prime (65512423919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115338491 + ... + 115339058.

It is an arithmetic number, because the mean of its divisors is an integer number (9688457100).

Almost surely, 2^65512423916 is an apocalyptic number.

It is an amenable number.

65512423916 is a deficient number, since it is larger than the sum of its proper divisors (50749061284).

65512423916 is a wasteful number, since it uses less digits than its factorization.

65512423916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230677624 (or 230677622 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The spelling of 65512423916 in words is "sixty-five billion, five hundred twelve million, four hundred twenty-three thousand, nine hundred sixteen".