163397103 has 4 divisors (see below), whose sum is σ = 217862808. Its totient is φ = 108931400.

The previous prime is 163397099. The next prime is 163397123. The reversal of 163397103 is 301793361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301793361 = 3 ⋅100597787.

It is a cyclic number.

It is not a de Polignac number, because 163397103 - 2² = 163397099 is a prime.

It is a super-2 number, since 2×163397103² = 53397226537585218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163397123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27232848 + ... + 27232853.

It is an arithmetic number, because the mean of its divisors is an integer number (54465702).

Almost surely, 2^163397103 is an apocalyptic number.

163397103 is a deficient number, since it is larger than the sum of its proper divisors (54465705).

163397103 is an equidigital number, since it uses as much as digits as its factorization.

163397103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54465704.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 163397103 is about 12782.6876281946. The cubic root of 163397103 is about 546.6987959915.

The spelling of 163397103 in words is "one hundred sixty-three million, three hundred ninety-seven thousand, one hundred three".