163834850254597 has 2 divisors, whose sum is σ = 163834850254598. Its totient is φ = 163834850254596.

The previous prime is 163834850254573. The next prime is 163834850254643. The reversal of 163834850254597 is 795452058438361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132420461893281 + 31414388361316 = 11507409^2 + 5604854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163834850254597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163834850252597) 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, 81917425127298 + 81917425127299.

It is an arithmetic number, because the mean of its divisors is an integer number (81917425127299).

It is a 1-persistent number, because it is pandigital, but 2⋅163834850254597 = 327669700509194 is not.

Almost surely, 2^{163834850254597} is an apocalyptic number.

It is an amenable number.

163834850254597 is a deficient number, since it is larger than the sum of its proper divisors (1).

163834850254597 is an equidigital number, since it uses as much as digits as its factorization.

163834850254597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912000, while the sum is 70.

The spelling of 163834850254597 in words is "one hundred sixty-three trillion, eight hundred thirty-four billion, eight hundred fifty million, two hundred fifty-four thousand, five hundred ninety-seven".