Search a number
-
+
166660092 = 2235315531
BaseRepresentation
bin10011110111100…
…00011111111100
3102121121012200000
421323300133330
5320131110332
624312034300
74062405324
oct1173603774
9377535600
10166660092
1186091215
1247992990
13286b3051
14181c4284
15e970b7c
hex9ef07fc

166660092 has 72 divisors (see below), whose sum is σ = 451057152. Its totient is φ = 53751600.

The previous prime is 166660051. The next prime is 166660127. The reversal of 166660092 is 290066661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27367 + ... + 32897.

Almost surely, 2166660092 is an apocalyptic number.

166660092 is a gapful number since it is divisible by the number (12) 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 166660092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225528576).

166660092 is an abundant number, since it is smaller than the sum of its proper divisors (284397060).

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

166660092 is a wasteful number, since it uses less digits than its factorization.

166660092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 166660092 is about 12909.6898491017. The cubic root of 166660092 is about 550.3139716969.

The spelling of 166660092 in words is "one hundred sixty-six million, six hundred sixty thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 243 279 324 372 486 558 837 972 1116 1674 2511 3348 5022 5531 7533 10044 11062 15066 16593 22124 30132 33186 49779 66372 99558 149337 171461 199116 298674 342922 448011 514383 597348 685844 896022 1028766 1344033 1543149 1792044 2057532 2688066 3086298 4629447 5376132 6172596 9258894 13888341 18517788 27776682 41665023 55553364 83330046 166660092