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166162108 = 22731474073
BaseRepresentation
bin10011110011101…
…10111010111100
3102120122220120011
421321312322330
5320014141413
624253233004
74055232430
oct1171667274
9376586504
10166162108
1185881062
1247792764
132856a498
14180d49c0
15e8c333d
hex9e76ebc

166162108 has 48 divisors (see below), whose sum is σ = 350429184. Its totient is φ = 67432320.

The previous prime is 166162091. The next prime is 166162127. The reversal of 166162108 is 801261661.

It is a super-2 number, since 2×1661621082 = 55219692270007328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 166162108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38760 + ... + 42832.

It is an arithmetic number, because the mean of its divisors is an integer number (7300608).

Almost surely, 2166162108 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 166162108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175214592).

166162108 is an abundant number, since it is smaller than the sum of its proper divisors (184267076).

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

166162108 is a wasteful number, since it uses less digits than its factorization.

166162108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 166162108 is about 12890.3882020675. The cubic root of 166162108 is about 549.7653081328.

The spelling of 166162108 in words is "one hundred sixty-six million, one hundred sixty-two thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 31 47 62 94 124 188 217 329 434 658 868 1316 1457 2914 4073 5828 8146 10199 16292 20398 28511 40796 57022 114044 126263 191431 252526 382862 505052 765724 883841 1340017 1767682 2680034 3535364 5360068 5934361 11868722 23737444 41540527 83081054 166162108