68068851814 has 16 divisors (see below), whose sum is σ = 102236114736. Its totient is φ = 33990172000.

The previous prime is 68068851791. The next prime is 68068851841. The reversal of 68068851814 is 41815886086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154664 + ... + 10161364.

It is an arithmetic number, because the mean of its divisors is an integer number (6389757171).

Almost surely, 2^68068851814 is an apocalyptic number.

68068851814 is a deficient number, since it is larger than the sum of its proper divisors (34167262922).

68068851814 is a wasteful number, since it uses less digits than its factorization.

68068851814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 68068851814 in words is "sixty-eight billion, sixty-eight million, eight hundred fifty-one thousand, eight hundred fourteen".