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166090008 = 23372141233
BaseRepresentation
bin10011110011001…
…01010100011000
3102120112020122210
421321211110120
5320004340013
624251515120
74054512300
oct1171452430
9376466583
10166090008
1185831977
1247758aa0
1328543716
14180b6600
15e8abcc3
hex9e65518

166090008 has 48 divisors (see below), whose sum is σ = 483020280. Its totient is φ = 47453952.

The previous prime is 166089997. The next prime is 166090009. The reversal of 166090008 is 800090661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166090009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69441 + ... + 71792.

Almost surely, 2166090008 is an apocalyptic number.

It is an amenable number.

166090008 is an abundant number, since it is smaller than the sum of its proper divisors (316930272).

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

166090008 is a wasteful number, since it uses less digits than its factorization.

166090008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141256 (or 141245 counting only the distinct ones).

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

The square root of 166090008 is about 12887.5912411901. The cubic root of 166090008 is about 549.6857797458.

The spelling of 166090008 in words is "one hundred sixty-six million, ninety thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 141233 282466 423699 564932 847398 988631 1129864 1694796 1977262 2965893 3389592 3954524 5931786 6920417 7909048 11863572 13840834 20761251 23727144 27681668 41522502 55363336 83045004 166090008