68656899603 has 8 divisors (see below), whose sum is σ = 91880329216. Its totient is φ = 45602368200.

The previous prime is 68656899581. The next prime is 68656899611. The reversal of 68656899603 is 30699865686.

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

It is not a de Polignac number, because 68656899603 - 2¹⁰ = 68656898579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68656899673) by changing a digit.

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, 42223603 + ... + 42225228.

It is an arithmetic number, because the mean of its divisors is an integer number (11485041152).

Almost surely, 2^68656899603 is an apocalyptic number.

68656899603 is a deficient number, since it is larger than the sum of its proper divisors (23223429613).

68656899603 is a wasteful number, since it uses less digits than its factorization.

68656899603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84449105.

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 68656899603 in words is "sixty-eight billion, six hundred fifty-six million, eight hundred ninety-nine thousand, six hundred three".