163201308497 has 2 divisors, whose sum is σ = 163201308498. Its totient is φ = 163201308496.

The previous prime is 163201308467. The next prime is 163201308511. The reversal of 163201308497 is 794803102361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114811867921 + 48389440576 = 338839^2 + 219976^2 .

It is a cyclic number.

It is not a de Polignac number, because 163201308497 - 2²⁰ = 163200259921 is a prime.

It is not a weakly prime, because it can be changed into another prime (163201308437) 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, 81600654248 + 81600654249.

It is an arithmetic number, because the mean of its divisors is an integer number (81600654249).

Almost surely, 2^163201308497 is an apocalyptic number.

It is an amenable number.

163201308497 is a deficient number, since it is larger than the sum of its proper divisors (1).

163201308497 is an equidigital number, since it uses as much as digits as its factorization.

163201308497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 163201308497 in words is "one hundred sixty-three billion, two hundred one million, three hundred eight thousand, four hundred ninety-seven".