68197163 has 2 divisors, whose sum is σ = 68197164. Its totient is φ = 68197162.

The previous prime is 68197147. The next prime is 68197169. The reversal of 68197163 is 36179186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68197163 - 2⁴ = 68197147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68197163.

It is not a weakly prime, because it can be changed into another prime (68197169) 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 as a sum of consecutive naturals, namely, 34098581 + 34098582.

It is an arithmetic number, because the mean of its divisors is an integer number (34098582).

Almost surely, 2^68197163 is an apocalyptic number.

68197163 is a deficient number, since it is larger than the sum of its proper divisors (1).

68197163 is an equidigital number, since it uses as much as digits as its factorization.

68197163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 68197163 is about 8258.1573610582. The cubic root of 68197163 is about 408.5596155030.

The spelling of 68197163 in words is "sixty-eight million, one hundred ninety-seven thousand, one hundred sixty-three".