68016533205 has 16 divisors (see below), whose sum is σ = 108872409024. Its totient is φ = 36260165760.

The previous prime is 68016533191. The next prime is 68016533209. The reversal of 68016533205 is 50233561086.

It is not a de Polignac number, because 68016533205 - 2¹⁶ = 68016467669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68016533209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 920664 + ... + 991793.

It is an arithmetic number, because the mean of its divisors is an integer number (6804525564).

Almost surely, 2^68016533205 is an apocalyptic number.

It is an amenable number.

68016533205 is a deficient number, since it is larger than the sum of its proper divisors (40855875819).

68016533205 is a wasteful number, since it uses less digits than its factorization.

68016533205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914836.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 68016533205 in words is "sixty-eight billion, sixteen million, five hundred thirty-three thousand, two hundred five".