| Base | Representation |
|---|---|
| bin | 10011011111000… |
| … | …00100110000000 |
| 3 | 102101120002011200 |
| 4 | 21233200212000 |
| 5 | 313320333331 |
| 6 | 24115141200 |
| 7 | 4023203220 |
| oct | 1157404600 |
| 9 | 371502150 |
| 10 | 163449216 |
| 11 | 842988a7 |
| 12 | 468a4800 |
| 13 | 27b2a718 |
| 14 | 179ca080 |
| 15 | e5395e6 |
| hex | 9be0980 |
163449216 has 96 divisors (see below), whose sum is σ = 537560400. Its totient is φ = 46697472.
The previous prime is 163449211. The next prime is 163449227. The reversal of 163449216 is 612944361.
163449216 is a `hidden beast` number, since 1 + 634 + 4 + 9 + 2 + 16 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×1634492162 = 53431292422029312, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163449211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 18198.
Almost surely, 2163449216 is an apocalyptic number.
163449216 is a gapful number since it is divisible by the number (16) 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 163449216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268780200).
163449216 is an abundant number, since it is smaller than the sum of its proper divisors (374111184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163449216 is a wasteful number, since it uses less digits than its factorization.
163449216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20296 (or 20281 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 163449216 is about 12784.7258867760. The cubic root of 163449216 is about 546.7569102125.
The spelling of 163449216 in words is "one hundred sixty-three million, four hundred forty-nine thousand, two hundred sixteen".
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