163604416335463 has 16 divisors (see below), whose sum is σ = 169768352563200. Its totient is φ = 157495899765600.

The previous prime is 163604416335449. The next prime is 163604416335467. The reversal of 163604416335463 is 364533614406361.

It is a cyclic number.

It is not a de Polignac number, because 163604416335463 - 2¹³ = 163604416327271 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 (163604416335467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687303181 + ... + 687541177.

It is an arithmetic number, because the mean of its divisors is an integer number (10610522035200).

Almost surely, 2^{163604416335463} is an apocalyptic number.

163604416335463 is a deficient number, since it is larger than the sum of its proper divisors (6163936227737).

163604416335463 is a wasteful number, since it uses less digits than its factorization.

163604416335463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354318.

The product of its (nonzero) digits is 33592320, while the sum is 55.

The spelling of 163604416335463 in words is "one hundred sixty-three trillion, six hundred four billion, four hundred sixteen million, three hundred thirty-five thousand, four hundred sixty-three".