163930929014161 has 4 divisors (see below), whose sum is σ = 164097694965312. Its totient is φ = 163764163063012.

The previous prime is 163930929014119. The next prime is 163930929014173. The reversal of 163930929014161 is 161410929039361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163930929014161 - 2²³ = 163930920625553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163930929084161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83382974101 + ... + 83382976066.

It is an arithmetic number, because the mean of its divisors is an integer number (41024423741328).

Almost surely, 2^{163930929014161} is an apocalyptic number.

It is an amenable number.

163930929014161 is a deficient number, since it is larger than the sum of its proper divisors (166765951151).

163930929014161 is an equidigital number, since it uses as much as digits as its factorization.

163930929014161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166765951150.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 163930929014161 in words is "one hundred sixty-three trillion, nine hundred thirty billion, nine hundred twenty-nine million, fourteen thousand, one hundred sixty-one".