Base | Representation |
---|---|
bin | 10011001101100… |
… | …01101110000010 |
3 | 102020020210001100 |
4 | 21212301232002 |
5 | 312224110231 |
6 | 23554115230 |
7 | 3664560264 |
oct | 1146615602 |
9 | 366223040 |
10 | 161160066 |
11 | 82a74a41 |
12 | 45b7bb16 |
13 | 275087b2 |
14 | 17591b34 |
15 | e2361e6 |
hex | 99b1b82 |
161160066 has 24 divisors (see below), whose sum is σ = 349464960. Its totient is φ = 53676216.
The previous prime is 161160061. The next prime is 161160067. The reversal of 161160066 is 660061161.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (161160061) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 25191 + ... + 30933.
It is an arithmetic number, because the mean of its divisors is an integer number (14561040).
Almost surely, 2161160066 is an apocalyptic number.
161160066 is an abundant number, since it is smaller than the sum of its proper divisors (188304894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161160066 is a wasteful number, since it uses less digits than its factorization.
161160066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7310 (or 7307 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 161160066 is about 12694.8834575194. The cubic root of 161160066 is about 544.1924082400.
The spelling of 161160066 in words is "one hundred sixty-one million, one hundred sixty thousand, sixty-six".
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