65000793668 has 6 divisors (see below), whose sum is σ = 113751388926. Its totient is φ = 32500396832.

The previous prime is 65000793647. The next prime is 65000793673. The reversal of 65000793668 is 86639700056.

It can be written as a sum of positive squares in only one way, i.e., 53913124864 + 11087668804 = 232192^2 + 105298^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125099205 + ... + 8125099212.

It is an arithmetic number, because the mean of its divisors is an integer number (18958564821).

Almost surely, 2^65000793668 is an apocalyptic number.

It is an amenable number.

65000793668 is a deficient number, since it is larger than the sum of its proper divisors (48750595258).

65000793668 is a wasteful number, since it uses less digits than its factorization.

65000793668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16250198421 (or 16250198419 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 65000793668 in words is "sixty-five billion, seven hundred ninety-three thousand, six hundred sixty-eight".