163330089984 has 264 divisors, whose sum is σ = 517861981728. Its totient is φ = 51239485440.

The previous prime is 163330089953. The next prime is 163330090031. The reversal of 163330089984 is 489980033361.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 163330089984.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4210839 + ... + 4249449.

Almost surely, 2^163330089984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163330089984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258930990864).

163330089984 is an abundant number, since it is smaller than the sum of its proper divisors (354531891744).

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

163330089984 is an equidigital number, since it uses as much as digits as its factorization.

163330089984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38663 (or 38633 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 163330089984 in words is "one hundred sixty-three billion, three hundred thirty million, eighty-nine thousand, nine hundred eighty-four".