4168163604791 has 2 divisors, whose sum is σ = 4168163604792. Its totient is φ = 4168163604790.

The previous prime is 4168163604679. The next prime is 4168163604881. The reversal of 4168163604791 is 1974063618614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4168163604791 - 2¹⁸ = 4168163342647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4168163604091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084081802395 + 2084081802396.

It is an arithmetic number, because the mean of its divisors is an integer number (2084081802396).

Almost surely, 2^{4168163604791} is an apocalyptic number.

4168163604791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4168163604791 is an equidigital number, since it uses as much as digits as its factorization.

4168163604791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 4168163604791 in words is "four trillion, one hundred sixty-eight billion, one hundred sixty-three million, six hundred four thousand, seven hundred ninety-one".