163439206019403 has 16 divisors (see below), whose sum is σ = 219385369785120. Its totient is φ = 108226752731136.

The previous prime is 163439206019303. The next prime is 163439206019447. The reversal of 163439206019403 is 304910602934361.

It is not a de Polignac number, because 163439206019403 - 2¹⁰ = 163439206018379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163439206019303) 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 in 15 ways as a sum of consecutive naturals, for example, 60714198 + ... + 63348971.

It is an arithmetic number, because the mean of its divisors is an integer number (13711585611570).

Almost surely, 2^{163439206019403} is an apocalyptic number.

163439206019403 is a deficient number, since it is larger than the sum of its proper divisors (55946163765717).

163439206019403 is a wasteful number, since it uses less digits than its factorization.

163439206019403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124066126.

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 163439206019403 in words is "one hundred sixty-three trillion, four hundred thirty-nine billion, two hundred six million, nineteen thousand, four hundred three".