68156411 has 2 divisors, whose sum is σ = 68156412. Its totient is φ = 68156410.

The previous prime is 68156399. The next prime is 68156437. The reversal of 68156411 is 11465186.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68156411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68156471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34078205 + 34078206.

It is an arithmetic number, because the mean of its divisors is an integer number (34078206).

Almost surely, 2^68156411 is an apocalyptic number.

68156411 is a deficient number, since it is larger than the sum of its proper divisors (1).

68156411 is an equidigital number, since it uses as much as digits as its factorization.

68156411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The square root of 68156411 is about 8255.6896138360. The cubic root of 68156411 is about 408.4782194536.

The spelling of 68156411 in words is "sixty-eight million, one hundred fifty-six thousand, four hundred eleven".