163326165864 has 32 divisors (see below), whose sum is σ = 408378421440. Its totient is φ = 54433654400.

The previous prime is 163326165817. The next prime is 163326165913. The reversal of 163326165864 is 468561623361.

163326165864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 365292 + ... + 678299.

It is an arithmetic number, because the mean of its divisors is an integer number (12761825670).

Almost surely, 2^163326165864 is an apocalyptic number.

It is an amenable number.

163326165864 is an abundant number, since it is smaller than the sum of its proper divisors (245052255576).

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

163326165864 is a wasteful number, since it uses less digits than its factorization.

163326165864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050121 (or 1050117 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 163326165864 in words is "one hundred sixty-three billion, three hundred twenty-six million, one hundred sixty-five thousand, eight hundred sixty-four".