20103673643163 has 12 divisors (see below), whose sum is σ = 31678516043928. Its totient is φ = 12184044632160.

The previous prime is 20103673643159. The next prime is 20103673643167. The reversal of 20103673643163 is 36134637630102.

20103673643163 is a `hidden beast` number, since 20 + 103 + 6 + 7 + 36 + 431 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (20103673643159) and next prime (20103673643167).

It is not a de Polignac number, because 20103673643163 - 2² = 20103673643159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103673643167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101533705170 + ... + 101533705367.

It is an arithmetic number, because the mean of its divisors is an integer number (2639876336994).

Almost surely, 2^{20103673643163} is an apocalyptic number.

20103673643163 is a deficient number, since it is larger than the sum of its proper divisors (11574842400765).

20103673643163 is a wasteful number, since it uses less digits than its factorization.

20103673643163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203067410554 (or 203067410551 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 20103673643163 in words is "twenty trillion, one hundred three billion, six hundred seventy-three million, six hundred forty-three thousand, one hundred sixty-three".