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166182066 = 2329232337
BaseRepresentation
bin10011110011110…
…11110010110010
3102120200220221100
421321323302302
5320020311231
624253505230
74055344551
oct1171736262
9376626840
10166182066
1185895056
12477a2216
13285765ab
14180dbd98
15e8c91e6
hex9e7bcb2

166182066 has 12 divisors (see below), whose sum is σ = 360061182. Its totient is φ = 55394016.

The previous prime is 166182047. The next prime is 166182077. The reversal of 166182066 is 660281661.

166182066 is a `hidden beast` number, since 16 + 618 + 20 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148718025 + 17464041 = 12195^2 + 4179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166182066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4616151 + ... + 4616186.

Almost surely, 2166182066 is an apocalyptic number.

166182066 is an abundant number, since it is smaller than the sum of its proper divisors (193879116).

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

166182066 is a wasteful number, since it uses less digits than its factorization.

166182066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232345 (or 9232342 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 166182066 is about 12891.1623215287. The cubic root of 166182066 is about 549.7873183188.

The spelling of 166182066 in words is "one hundred sixty-six million, one hundred eighty-two thousand, sixty-six".

Divisors: 1 2 3 6 9 18 9232337 18464674 27697011 55394022 83091033 166182066