163485216 has 60 divisors (see below), whose sum is σ = 480813102. Its totient is φ = 54494208.

The previous prime is 163485191. The next prime is 163485229. The reversal of 163485216 is 612584361.

It is a happy number.

163485216 is a `hidden beast` number, since 1 + 634 + 8 + 5 + 2 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 163328400 + 156816 = 12780^2 + 396^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28945 + ... + 34128.

Almost surely, 2^163485216 is an apocalyptic number.

163485216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163485216 is an abundant number, since it is smaller than the sum of its proper divisors (317327886).

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

163485216 is an equidigital number, since it uses as much as digits as its factorization.

163485216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63095 (or 63078 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 163485216 is about 12786.1337393287. The cubic root of 163485216 is about 546.7970486815.

The spelling of 163485216 in words is "one hundred sixty-three million, four hundred eighty-five thousand, two hundred sixteen".