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168855016 = 231121731331
BaseRepresentation
bin10100001000010…
…00010111101000
3102202201201112111
422010020113220
5321211330031
624431052104
74120146451
oct1204102750
9382651474
10168855016
1187350300
1248671034
1328ca1115
14185d6128
15ec561b1
hexa1085e8

168855016 has 96 divisors (see below), whose sum is σ = 381507840. Its totient is φ = 69696000.

The previous prime is 168854989. The next prime is 168855019. The reversal of 168855016 is 610558861.

It is a self number, because there is not a number n which added to its sum of digits gives 168855016.

It is not an unprimeable number, because it can be changed into a prime (168855019) 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, 509971 + ... + 510301.

It is an arithmetic number, because the mean of its divisors is an integer number (3974040).

Almost surely, 2168855016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168855016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190753920).

168855016 is an abundant number, since it is smaller than the sum of its proper divisors (212652824).

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

168855016 is a wasteful number, since it uses less digits than its factorization.

168855016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 168855016 is about 12994.4224958249. The cubic root of 168855016 is about 552.7193328035.

The spelling of 168855016 in words is "one hundred sixty-eight million, eight hundred fifty-five thousand, sixteen".

Divisors: 1 2 4 8 11 17 22 31 34 44 62 68 88 121 124 136 187 242 248 331 341 374 484 527 662 682 748 968 1054 1324 1364 1496 2057 2108 2648 2728 3641 3751 4114 4216 5627 5797 7282 7502 8228 10261 11254 11594 14564 15004 16456 20522 22508 23188 29128 30008 40051 41044 45016 46376 61897 63767 80102 82088 112871 123794 127534 160204 174437 225742 247588 255068 320408 348874 451484 495176 510136 680867 697748 902968 1241581 1361734 1395496 1918807 2483162 2723468 3837614 4966324 5446936 7675228 9932648 15350456 21106877 42213754 84427508 168855016