| Base | Representation |
|---|---|
| bin | 10011110111011… |
| … | …00010111000000 |
| 3 | 102121120100102000 |
| 4 | 21323230113000 |
| 5 | 320130040021 |
| 6 | 24311424000 |
| 7 | 4062305022 |
| oct | 1173542700 |
| 9 | 377510360 |
| 10 | 166643136 |
| 11 | 8607a500 |
| 12 | 47985000 |
| 13 | 286a840a |
| 14 | 181bc012 |
| 15 | e96ab26 |
| hex | 9eec5c0 |
166643136 has 168 divisors, whose sum is σ = 539160720. Its totient is φ = 50434560.
The previous prime is 166643131. The next prime is 166643149. The reversal of 166643136 is 631346661.
166643136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 self number, because there is not a number n which added to its sum of digits gives 166643136.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (166643131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208690 + ... + 209486.
It is an arithmetic number, because the mean of its divisors is an integer number (3209290).
Almost surely, 2166643136 is an apocalyptic number.
166643136 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 166643136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269580360).
166643136 is an abundant number, since it is smaller than the sum of its proper divisors (372517584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
166643136 is a wasteful number, since it uses less digits than its factorization.
166643136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 840 (or 813 counting only the distinct ones).
The product of its digits is 46656, while the sum is 36.
The square root of 166643136 is about 12909.0331163879. The cubic root of 166643136 is about 550.2953080804.
Adding to 166643136 its reverse (631346661), we get a palindrome (797989797).
The spelling of 166643136 in words is "one hundred sixty-six million, six hundred forty-three thousand, one hundred thirty-six".
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