68534198205 has 32 divisors (see below), whose sum is σ = 119635204608. Its totient is φ = 33225403200.

The previous prime is 68534198203. The next prime is 68534198221. The reversal of 68534198205 is 50289143586.

It is not a de Polignac number, because 68534198205 - 2¹ = 68534198203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68534198203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2874142 + ... + 2897888.

It is an arithmetic number, because the mean of its divisors is an integer number (3738600144).

Almost surely, 2^68534198205 is an apocalyptic number.

It is an amenable number.

68534198205 is a deficient number, since it is larger than the sum of its proper divisors (51101006403).

68534198205 is a wasteful number, since it uses less digits than its factorization.

68534198205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41257.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 68534198205 in words is "sixty-eight billion, five hundred thirty-four million, one hundred ninety-eight thousand, two hundred five".