163315984 has 40 divisors (see below), whose sum is σ = 345880640. Its totient is φ = 74245248.

The previous prime is 163315981. The next prime is 163315987. The reversal of 163315984 is 489513361.

163315984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163315981) and next prime (163315987).

It is a super-2 number, since 2×163315984² = 53344221259776512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163315981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077 + ... + 19795.

It is an arithmetic number, because the mean of its divisors is an integer number (8647016).

Almost surely, 2^163315984 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 163315984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172940320).

163315984 is an abundant number, since it is smaller than the sum of its proper divisors (182564656).

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

163315984 is a wasteful number, since it uses less digits than its factorization.

163315984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807 (or 11801 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 163315984 is about 12779.5142317695. The cubic root of 163315984 is about 546.6083109101.

The spelling of 163315984 in words is "one hundred sixty-three million, three hundred fifteen thousand, nine hundred eighty-four".