68163001 has 2 divisors, whose sum is σ = 68163002. Its totient is φ = 68163000.

The previous prime is 68162993. The next prime is 68163037. The reversal of 68163001 is 10036186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 2941225 = 8076^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 68163001 - 2³ = 68162993 is a prime.

It is not a weakly prime, because it can be changed into another prime (68163101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34081500 + 34081501.

It is an arithmetic number, because the mean of its divisors is an integer number (34081501).

Almost surely, 2^68163001 is an apocalyptic number.

It is an amenable number.

68163001 is a deficient number, since it is larger than the sum of its proper divisors (1).

68163001 is an equidigital number, since it uses as much as digits as its factorization.

68163001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 68163001 is about 8256.0887228760. The cubic root of 68163001 is about 408.4913841957.

Adding to 68163001 its reverse (10036186), we get a palindrome (78199187).

The spelling of 68163001 in words is "sixty-eight million, one hundred sixty-three thousand, one".