163483985812 has 48 divisors (see below), whose sum is σ = 330138360832. Its totient is φ = 69388462080.

The previous prime is 163483985807. The next prime is 163483985869. The reversal of 163483985812 is 218589384361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137262 + ... + 1272922.

Almost surely, 2^163483985812 is an apocalyptic number.

It is an amenable number.

163483985812 is an abundant number, since it is smaller than the sum of its proper divisors (166654375020).

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

163483985812 is a wasteful number, since it uses less digits than its factorization.

163483985812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136088 (or 136086 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 58.

The spelling of 163483985812 in words is "one hundred sixty-three billion, four hundred eighty-three million, nine hundred eighty-five thousand, eight hundred twelve".