163406224563 has 8 divisors (see below), whose sum is σ = 217881838800. Its totient is φ = 108934046688.

The previous prime is 163406224559. The next prime is 163406224621. The reversal of 163406224563 is 365422604361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163406224563 - 2² = 163406224559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163406224363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746008 + ... + 939861.

It is an arithmetic number, because the mean of its divisors is an integer number (27235229850).

Almost surely, 2^163406224563 is an apocalyptic number.

163406224563 is a deficient number, since it is larger than the sum of its proper divisors (54475614237).

163406224563 is a wasteful number, since it uses less digits than its factorization.

163406224563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718181.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 163406224563 in words is "one hundred sixty-three billion, four hundred six million, two hundred twenty-four thousand, five hundred sixty-three".