68316640303 has 8 divisors (see below), whose sum is σ = 69585300720. Its totient is φ = 67052777280.

The previous prime is 68316640253. The next prime is 68316640309. The reversal of 68316640303 is 30304661386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68316640303 - 2³³ = 59726705711 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 (68316640309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170598 + ... + 1227571.

It is an arithmetic number, because the mean of its divisors is an integer number (8698162590).

Almost surely, 2^68316640303 is an apocalyptic number.

68316640303 is a deficient number, since it is larger than the sum of its proper divisors (1268660417).

68316640303 is a wasteful number, since it uses less digits than its factorization.

68316640303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398697.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 68316640303 in words is "sixty-eight billion, three hundred sixteen million, six hundred forty thousand, three hundred three".