163489383966 has 16 divisors (see below), whose sum is σ = 327661401600. Its totient is φ = 54382689048.

The previous prime is 163489383947. The next prime is 163489383983. The reversal of 163489383966 is 669383984361.

It is a junction number, because it is equal to n+sod(n) for n = 163489383897 and 163489383906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28439956 + ... + 28445703.

It is an arithmetic number, because the mean of its divisors is an integer number (20478837600).

Almost surely, 2^163489383966 is an apocalyptic number.

163489383966 is an abundant number, since it is smaller than the sum of its proper divisors (164172017634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163489383966 is a wasteful number, since it uses less digits than its factorization.

163489383966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56886143.

The product of its digits is 120932352, while the sum is 66.

The spelling of 163489383966 in words is "one hundred sixty-three billion, four hundred eighty-nine million, three hundred eighty-three thousand, nine hundred sixty-six".