163693346688 has 128 divisors (see below), whose sum is σ = 494358585600. Its totient is φ = 53295459840.

The previous prime is 163693346671. The next prime is 163693346717. The reversal of 163693346688 is 886643396361.

It is a happy number.

163693346688 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 93 + 3 + 466 + 88 = 666.

163693346688 is digitally balanced in base 3, 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 (128).

It is a nude number because it is divisible by every one of its digits.

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, 402148 + ... + 699363.

It is an arithmetic number, because the mean of its divisors is an integer number (3862176450).

Almost surely, 2^163693346688 is an apocalyptic number.

163693346688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163693346688 is an abundant number, since it is smaller than the sum of its proper divisors (330665238912).

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

163693346688 is a wasteful number, since it uses less digits than its factorization.

163693346688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101577 (or 1101559 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 163693346688 in words is "one hundred sixty-three billion, six hundred ninety-three million, three hundred forty-six thousand, six hundred eighty-eight".