163788202103 has 4 divisors (see below), whose sum is σ = 163823528760. Its totient is φ = 163752875448.

The previous prime is 163788202079. The next prime is 163788202133. The reversal of 163788202103 is 301202887361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301202887361 = 67 ⋅4495565483.

It is a cyclic number.

It is not a de Polignac number, because 163788202103 - 2¹⁴ = 163788185719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163788202133) 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, 17656373 + ... + 17665646.

It is an arithmetic number, because the mean of its divisors is an integer number (40955882190).

Almost surely, 2^163788202103 is an apocalyptic number.

163788202103 is a deficient number, since it is larger than the sum of its proper divisors (35326657).

163788202103 is an equidigital number, since it uses as much as digits as its factorization.

163788202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35326656.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 163788202103 in words is "one hundred sixty-three billion, seven hundred eighty-eight million, two hundred two thousand, one hundred three".