8173663 has 2 divisors, whose sum is σ = 8173664. Its totient is φ = 8173662.

The previous prime is 8173643. The next prime is 8173673. The reversal of 8173663 is 3663718.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8173663 - 2¹³ = 8165471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8173643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4086831 + 4086832.

It is an arithmetic number, because the mean of its divisors is an integer number (4086832).

Almost surely, 2^8173663 is an apocalyptic number.

8173663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8173663 is an equidigital number, since it uses as much as digits as its factorization.

8173663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 8173663 is about 2858.9618745272. The cubic root of 8173663 is about 201.4368443384.

It can be divided in two parts, 8173 and 663, that added together give a square (8836 = 94²).

The spelling of 8173663 in words is "eight million, one hundred seventy-three thousand, six hundred sixty-three".