163826878044 has 12 divisors (see below), whose sum is σ = 382262715464. Its totient is φ = 54608959344.

The previous prime is 163826878003. The next prime is 163826878067. The reversal of 163826878044 is 440878628361.

163826878044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826119907 + ... + 6826119930.

Almost surely, 2^163826878044 is an apocalyptic number.

It is an amenable number.

163826878044 is an abundant number, since it is smaller than the sum of its proper divisors (218435837420).

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

163826878044 is a wasteful number, since it uses less digits than its factorization.

163826878044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652239844 (or 13652239842 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 163826878044 in words is "one hundred sixty-three billion, eight hundred twenty-six million, eight hundred seventy-eight thousand, forty-four".