68194211 has 12 divisors (see below), whose sum is σ = 72798120. Its totient is φ = 63704160.

The previous prime is 68194183. The next prime is 68194213. The reversal of 68194211 is 11249186.

It is not a de Polignac number, because 68194211 - 2¹⁰ = 68193187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68194213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130631 + ... + 131151.

It is an arithmetic number, because the mean of its divisors is an integer number (6066510).

Almost surely, 2^68194211 is an apocalyptic number.

68194211 is a deficient number, since it is larger than the sum of its proper divisors (4603909).

68194211 is an equidigital number, since it uses as much as digits as its factorization.

68194211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 623 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 68194211 is about 8257.9786267585. The cubic root of 68194211 is about 408.5537204123.

The spelling of 68194211 in words is "sixty-eight million, one hundred ninety-four thousand, two hundred eleven".