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166112343 = 3339715497
BaseRepresentation
bin10011110011010…
…10110001010111
3102120120101022000
421321222301113
5320011043333
624252210343
74054634355
oct1171526127
9376511260
10166112343
1185847731
12477699b3
1328550937
14180c07d5
15e8b3713
hex9e6ac57

166112343 has 16 divisors (see below), whose sum is σ = 246728160. Its totient is φ = 110455488.

The previous prime is 166112339. The next prime is 166112357. The reversal of 166112343 is 343211661.

166112343 is a `hidden beast` number, since 1 + 6 + 611 + 2 + 3 + 43 = 666.

It is not a de Polignac number, because 166112343 - 22 = 166112339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166112393) 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, 2971 + ... + 18467.

It is an arithmetic number, because the mean of its divisors is an integer number (15420510).

Almost surely, 2166112343 is an apocalyptic number.

166112343 is a deficient number, since it is larger than the sum of its proper divisors (80615817).

166112343 is a wasteful number, since it uses less digits than its factorization.

166112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15903 (or 15897 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 166112343 is about 12888.4577432678. The cubic root of 166112343 is about 549.7104183574.

The spelling of 166112343 in words is "one hundred sixty-six million, one hundred twelve thousand, three hundred forty-three".

Divisors: 1 3 9 27 397 1191 3573 10719 15497 46491 139473 418419 6152309 18456927 55370781 166112343