163434204324355 has 64 divisors (see below), whose sum is σ = 207286309440000. Its totient is φ = 123558307891200.

The previous prime is 163434204324353. The next prime is 163434204324389. The reversal of 163434204324355 is 553423402434361.

It is not a de Polignac number, because 163434204324355 - 2¹ = 163434204324353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163434204324299 and 163434204324308.

It is not an unprimeable number, because it can be changed into a prime (163434204324353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11674698646 + ... + 11674712644.

It is an arithmetic number, because the mean of its divisors is an integer number (3238848585000).

Almost surely, 2^{163434204324355} is an apocalyptic number.

163434204324355 is a deficient number, since it is larger than the sum of its proper divisors (43852105115645).

163434204324355 is a wasteful number, since it uses less digits than its factorization.

163434204324355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25984.

The product of its (nonzero) digits is 12441600, while the sum is 49.

The spelling of 163434204324355 in words is "one hundred sixty-three trillion, four hundred thirty-four billion, two hundred four million, three hundred twenty-four thousand, three hundred fifty-five".