65118208164 has 96 divisors (see below), whose sum is σ = 158338521600. Its totient is φ = 20810649600.

The previous prime is 65118208151. The next prime is 65118208171. The reversal of 65118208164 is 46180281156.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21079132 + ... + 21082220.

It is an arithmetic number, because the mean of its divisors is an integer number (1649359600).

Almost surely, 2^65118208164 is an apocalyptic number.

It is an amenable number.

65118208164 is an abundant number, since it is smaller than the sum of its proper divisors (93220313436).

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

65118208164 is a wasteful number, since it uses less digits than its factorization.

65118208164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 65118208164 in words is "sixty-five billion, one hundred eighteen million, two hundred eight thousand, one hundred sixty-four".