65688080308 has 24 divisors (see below), whose sum is σ = 121730510664. Its totient is φ = 30908390400.

The previous prime is 65688080299. The next prime is 65688080317. The reversal of 65688080308 is 80308088656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65688080299) and next prime (65688080317).

It can be written as a sum of positive squares in 4 ways, for example, as 20319932304 + 45368148004 = 142548^2 + 212998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574648 + ... + 679408.

It is an arithmetic number, because the mean of its divisors is an integer number (5072104611).

Almost surely, 2^65688080308 is an apocalyptic number.

65688080308 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65688080308 is a deficient number, since it is larger than the sum of its proper divisors (56042430356).

65688080308 is a wasteful number, since it uses less digits than its factorization.

65688080308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114003 (or 114001 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 65688080308 in words is "sixty-five billion, six hundred eighty-eight million, eighty thousand, three hundred eight".