68016407 has 2 divisors, whose sum is σ = 68016408. Its totient is φ = 68016406.

The previous prime is 68016353. The next prime is 68016413. The reversal of 68016407 is 70461086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68016407 - 2⁶ = 68016343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68015407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34008203 + 34008204.

It is an arithmetic number, because the mean of its divisors is an integer number (34008204).

Almost surely, 2^68016407 is an apocalyptic number.

68016407 is a deficient number, since it is larger than the sum of its proper divisors (1).

68016407 is an equidigital number, since it uses as much as digits as its factorization.

68016407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68016407 is about 8247.2060117351. The cubic root of 68016407 is about 408.1983348633.

The spelling of 68016407 in words is "sixty-eight million, sixteen thousand, four hundred seven".