163104397 has 2 divisors, whose sum is σ = 163104398. Its totient is φ = 163104396.

The previous prime is 163104287. The next prime is 163104401. The reversal of 163104397 is 793401361.

163104397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 65707236 = 9869^2 + 8106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163104397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163101397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81552198 + 81552199.

It is an arithmetic number, because the mean of its divisors is an integer number (81552199).

Almost surely, 2^163104397 is an apocalyptic number.

It is an amenable number.

163104397 is a deficient number, since it is larger than the sum of its proper divisors (1).

163104397 is an equidigital number, since it uses as much as digits as its factorization.

163104397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 163104397 is about 12771.2331824300. The cubic root of 163104397 is about 546.3721527741.

The spelling of 163104397 in words is "one hundred sixty-three million, one hundred four thousand, three hundred ninety-seven".