8170390663 has 2 divisors, whose sum is σ = 8170390664. Its totient is φ = 8170390662.

The previous prime is 8170390649. The next prime is 8170390673. The reversal of 8170390663 is 3660930718.

8170390663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8170390663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8170390673) 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, 4085195331 + 4085195332.

It is an arithmetic number, because the mean of its divisors is an integer number (4085195332).

Almost surely, 2^8170390663 is an apocalyptic number.

8170390663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8170390663 is an equidigital number, since it uses as much as digits as its factorization.

8170390663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 8170390663 is about 90390.2133142742. The cubic root of 8170390663 is about 2014.0995891285.

The spelling of 8170390663 in words is "eight billion, one hundred seventy million, three hundred ninety thousand, six hundred sixty-three".