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164868606 = 232712710303
BaseRepresentation
bin10011101001110…
…11000111111110
3102111020012012200
421310323013332
5314201243411
624205412330
74041234330
oct1164730776
9374205180
10164868606
1185078251
124726a0a6
13282067b6
1417c79450
15e719e56
hex9d3b1fe

164868606 has 48 divisors (see below), whose sum is σ = 411500544. Its totient is φ = 46729872.

The previous prime is 164868593. The next prime is 164868607. The reversal of 164868606 is 606868461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164868607) 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, 10851 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (8572928).

Almost surely, 2164868606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164868606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205750272).

164868606 is an abundant number, since it is smaller than the sum of its proper divisors (246631938).

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

164868606 is a wasteful number, since it uses less digits than its factorization.

164868606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445 (or 10442 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 164868606 is about 12840.1170555412. The cubic root of 164868606 is about 548.3350265456.

The spelling of 164868606 in words is "one hundred sixty-four million, eight hundred sixty-eight thousand, six hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 127 254 381 762 889 1143 1778 2286 2667 5334 8001 10303 16002 20606 30909 61818 72121 92727 144242 185454 216363 432726 649089 1298178 1308481 2616962 3925443 7850886 9159367 11776329 18318734 23552658 27478101 54956202 82434303 164868606