65240616296 has 32 divisors (see below), whose sum is σ = 127797258600. Its totient is φ = 31183622400.

The previous prime is 65240616289. The next prime is 65240616299. The reversal of 65240616296 is 69261604256.

It can be written as a sum of positive squares in 4 ways, for example, as 58182264100 + 7058352196 = 241210^2 + 84014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65240616296.

It is not an unprimeable number, because it can be changed into a prime (65240616299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368695 + ... + 1415558.

Almost surely, 2^65240616296 is an apocalyptic number.

It is an amenable number.

65240616296 is a deficient number, since it is larger than the sum of its proper divisors (62556642304).

65240616296 is a wasteful number, since it uses less digits than its factorization.

65240616296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784389 (or 2784385 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 65240616296 in words is "sixty-five billion, two hundred forty million, six hundred sixteen thousand, two hundred ninety-six".