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166082880 = 26351131531
BaseRepresentation
bin10011110011000…
…11100101000000
3102120111212212210
421321203211000
5320004123010
624251422120
74054452435
oct1171434500
9376455783
10166082880
1185827587
1247754940
13285403c2
14180b3b8c
15e8a9b20
hex9e63940

166082880 has 112 divisors (see below), whose sum is σ = 532327104. Its totient is φ = 43868160.

The previous prime is 166082879. The next prime is 166082887. The reversal of 166082880 is 88280661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166082887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107715 + ... + 109245.

Almost surely, 2166082880 is an apocalyptic number.

166082880 is a gapful number since it is divisible by the number (10) 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 166082880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266163552).

166082880 is an abundant number, since it is smaller than the sum of its proper divisors (366244224).

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

166082880 is a wasteful number, since it uses less digits than its factorization.

166082880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 166082880 is about 12887.3146931391. The cubic root of 166082880 is about 549.6779161054.

The spelling of 166082880 in words is "one hundred sixty-six million, eighty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 113 120 160 192 226 240 320 339 452 480 565 678 904 960 1130 1356 1531 1695 1808 2260 2712 3062 3390 3616 4520 4593 5424 6124 6780 7232 7655 9040 9186 10848 12248 13560 15310 18080 18372 21696 22965 24496 27120 30620 36160 36744 45930 48992 54240 61240 73488 91860 97984 108480 122480 146976 173003 183720 244960 293952 346006 367440 489920 519009 692012 734880 865015 1038018 1384024 1469760 1730030 2076036 2595045 2768048 3460060 4152072 5190090 5536096 6920120 8304144 10380180 11072192 13840240 16608288 20760360 27680480 33216576 41520720 55360960 83041440 166082880