| Base | Representation |
|---|---|
| bin | 111101101010… |
| … | …001100100000 |
| 3 | 1010102012022110 |
| 4 | 331222030200 |
| 5 | 13114213431 |
| 6 | 1334235320 |
| 7 | 254250150 |
| oct | 75521440 |
| 9 | 33365273 |
| 10 | 16163616 |
| 11 | 913aa67 |
| 12 | 54b5b40 |
| 13 | 346c191 |
| 14 | 220a760 |
| 15 | 1644346 |
| hex | f6a320 |
16163616 has 96 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 4536576.
The previous prime is 16163593. The next prime is 16163627. The reversal of 16163616 is 61636161.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×161636162 = 522524964390912, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 44845 + ... + 45203.
It is an arithmetic number, because the mean of its divisors is an integer number (514080).
Almost surely, 216163616 is an apocalyptic number.
16163616 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 16163616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24675840).
16163616 is an abundant number, since it is smaller than the sum of its proper divisors (33188064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16163616 is a wasteful number, since it uses less digits than its factorization.
16163616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446 (or 438 counting only the distinct ones).
The product of its digits is 3888, while the sum is 30.
The square root of 16163616 is about 4020.3999801015. The cubic root of 16163616 is about 252.8402288700.
Adding to 16163616 its reverse (61636161), we get a palindrome (77799777).
The spelling of 16163616 in words is "sixteen million, one hundred sixty-three thousand, six hundred sixteen".
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