63605853167 has 2 divisors, whose sum is σ = 63605853168. Its totient is φ = 63605853166.

The previous prime is 63605853163. The next prime is 63605853169. The reversal of 63605853167 is 76135850636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63605853167 - 2² = 63605853163 is a prime.

Together with 63605853169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63605853163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31802926583 + 31802926584.

It is an arithmetic number, because the mean of its divisors is an integer number (31802926584).

Almost surely, 2^63605853167 is an apocalyptic number.

63605853167 is a deficient number, since it is larger than the sum of its proper divisors (1).

63605853167 is an equidigital number, since it uses as much as digits as its factorization.

63605853167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 63605853167 in words is "sixty-three billion, six hundred five million, eight hundred fifty-three thousand, one hundred sixty-seven".