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168960 = 2103511
BaseRepresentation
bin101001010000000000
322120202210
4221100000
520401320
63342120
71302411
oct512000
9276683
10168960
11105a40
1281940
135bb9c
1445808
15350e0
hex29400

168960 has 88 divisors (see below), whose sum is σ = 589536. Its totient is φ = 40960.

The previous prime is 168943. The next prime is 168977. The reversal of 168960 is 69861.

It is an interprime number because it is at equal distance from previous prime (168943) and next prime (168977).

It is a tau number, because it is divible by the number of its divisors (88).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

168960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15355 + ... + 15365.

2168960 is an apocalyptic number.

168960 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 168960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294768).

168960 is an abundant number, since it is smaller than the sum of its proper divisors (420576).

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

168960 is a wasteful number, since it uses less digits than its factorization.

168960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 168960 is about 411.0474425173. The cubic root of 168960 is about 55.2833858401.

Subtracting from 168960 its reverse (69861), we obtain a palindrome (99099).

It can be divided in two parts, 168 and 960, that added together give a triangular number (1128 = T47).

The spelling of 168960 in words is "one hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 352 384 440 480 512 528 640 660 704 768 880 960 1024 1056 1280 1320 1408 1536 1760 1920 2112 2560 2640 2816 3072 3520 3840 4224 5120 5280 5632 7040 7680 8448 10560 11264 14080 15360 16896 21120 28160 33792 42240 56320 84480 168960