163390608000 has 640 divisors, whose sum is σ = 611876865600. Its totient is φ = 43209676800.

The previous prime is 163390607987. The next prime is 163390608077. The reversal of 163390608000 is 806093361.

It is a happy number.

163390608000 is a `hidden beast` number, since 16 + 3 + 39 + 0 + 608 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 180143547 + ... + 180144453.

Almost surely, 2^163390608000 is an apocalyptic number.

163390608000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163390608000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305938432800).

163390608000 is an abundant number, since it is smaller than the sum of its proper divisors (448486257600).

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

163390608000 is an equidigital number, since it uses as much as digits as its factorization.

163390608000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 163390608000 in words is "one hundred sixty-three billion, three hundred ninety million, six hundred eight thousand".