68216082320 has 40 divisors (see below), whose sum is σ = 158656470336. Its totient is φ = 27277129088.

The previous prime is 68216082287. The next prime is 68216082371. The reversal of 68216082320 is 2328061286.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93149 + ... + 380931.

Almost surely, 2^68216082320 is an apocalyptic number.

It is an amenable number.

68216082320 is an abundant number, since it is smaller than the sum of its proper divisors (90440388016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68216082320 is a wasteful number, since it uses less digits than its factorization.

68216082320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290759 (or 290753 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 68216082320 in words is "sixty-eight billion, two hundred sixteen million, eighty-two thousand, three hundred twenty".