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166768056 = 233271325453
BaseRepresentation
bin10011111000010…
…10110110111000
3102121210200202200
421330022312320
5320143034211
624314230200
74063335150
oct1174126670
9377720680
10166768056
1186155344
1247a25360
1328720230
1418211760
15e992b56
hex9f0adb8

166768056 has 96 divisors (see below), whose sum is σ = 555915360. Its totient is φ = 43981056.

The previous prime is 166768031. The next prime is 166768057. The reversal of 166768056 is 650867661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166768057) 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, 6175 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (5790785).

Almost surely, 2166768056 is an apocalyptic number.

It is an amenable number.

166768056 is an abundant number, since it is smaller than the sum of its proper divisors (389147304).

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

166768056 is a wasteful number, since it uses less digits than its factorization.

166768056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25485 (or 25478 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 166768056 is about 12913.8706823322. The cubic root of 166768056 is about 550.4327789288.

The spelling of 166768056 in words is "one hundred sixty-six million, seven hundred sixty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 182 234 252 273 312 364 468 504 546 728 819 936 1092 1638 2184 3276 6552 25453 50906 76359 101812 152718 178171 203624 229077 305436 330889 356342 458154 534513 610872 661778 712684 916308 992667 1069026 1323556 1425368 1603539 1832616 1985334 2138052 2316223 2647112 2978001 3207078 3970668 4276104 4632446 5956002 6414156 6948669 7941336 9264892 11912004 12828312 13897338 18529784 20846007 23824008 27794676 41692014 55589352 83384028 166768056