65688080303 has 4 divisors (see below), whose sum is σ = 66668499480. Its totient is φ = 64707661128.

The previous prime is 65688080299. The next prime is 65688080317. The reversal of 65688080303 is 30308088656.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65688080303 - 2² = 65688080299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65688080363) 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, 490209488 + ... + 490209621.

It is an arithmetic number, because the mean of its divisors is an integer number (16667124870).

Almost surely, 2^65688080303 is an apocalyptic number.

65688080303 is a deficient number, since it is larger than the sum of its proper divisors (980419177).

65688080303 is an equidigital number, since it uses as much as digits as its factorization.

65688080303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980419176.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 65688080303 in words is "sixty-five billion, six hundred eighty-eight million, eighty thousand, three hundred three".