163387835966 has 16 divisors (see below), whose sum is σ = 246840359040. Its totient is φ = 81109449120.

The previous prime is 163387835927. The next prime is 163387835977. The reversal of 163387835966 is 669538783361.

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 7 ways as a sum of consecutive naturals, for example, 244145 + ... + 621596.

It is an arithmetic number, because the mean of its divisors is an integer number (15427522440).

Almost surely, 2^163387835966 is an apocalyptic number.

163387835966 is a deficient number, since it is larger than the sum of its proper divisors (83452523074).

163387835966 is a wasteful number, since it uses less digits than its factorization.

163387835966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866419.

The product of its digits is 117573120, while the sum is 65.

The spelling of 163387835966 in words is "one hundred sixty-three billion, three hundred eighty-seven million, eight hundred thirty-five thousand, nine hundred sixty-six".