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166550130 = 232523611319
BaseRepresentation
bin10011110110101…
…01101001110010
3102121101121211100
421323111221302
5320114101010
624305425230
74061436615
oct1173255162
9377347740
10166550130
118601663a
124793b216
1328674c96
141819617c
15e94d2c0
hex9ed5a72

166550130 has 96 divisors (see below), whose sum is σ = 459613440. Its totient is φ = 41754240.

The previous prime is 166550123. The next prime is 166550149. The reversal of 166550130 is 31055661.

It is a happy number.

166550130 is a `hidden beast` number, since 1 + 6 + 655 + 0 + 1 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 166550094 and 166550103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125611 + ... + 126929.

It is an arithmetic number, because the mean of its divisors is an integer number (4787640).

Almost surely, 2166550130 is an apocalyptic number.

166550130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166550130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229806720).

166550130 is an abundant number, since it is smaller than the sum of its proper divisors (293063310).

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

166550130 is a wasteful number, since it uses less digits than its factorization.

166550130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 166550130 is about 12905.4302524170. The cubic root of 166550130 is about 550.1929130439.

The spelling of 166550130 in words is "one hundred sixty-six million, five hundred fifty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 61 69 90 115 122 138 183 207 230 305 345 366 414 549 610 690 915 1035 1098 1319 1403 1830 2070 2638 2745 2806 3957 4209 5490 6595 7015 7914 8418 11871 12627 13190 14030 19785 21045 23742 25254 30337 39570 42090 59355 60674 63135 80459 91011 118710 126270 151685 160918 182022 241377 273033 303370 402295 455055 482754 546066 724131 804590 910110 1206885 1365165 1448262 1850557 2413770 2730330 3620655 3701114 5551671 7241310 9252785 11103342 16655013 18505570 27758355 33310026 55516710 83275065 166550130