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166493067 = 31319239769
BaseRepresentation
bin10011110110001…
…11101110001011
3102121021201112220
421323013232023
5320110234232
624304305123
74061111346
oct1173075613
9377251486
10166493067
1185a87784
12479121a3
1328655010
141817d45d
15e93b42c
hex9ec7b8b

166493067 has 32 divisors (see below), whose sum is σ = 262617600. Its totient is φ = 92835072.

The previous prime is 166493051. The next prime is 166493077. The reversal of 166493067 is 760394661.

It is not a de Polignac number, because 166493067 - 24 = 166493051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166493027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12159 + ... + 21927.

It is an arithmetic number, because the mean of its divisors is an integer number (8206800).

Almost surely, 2166493067 is an apocalyptic number.

166493067 is a deficient number, since it is larger than the sum of its proper divisors (96124533).

166493067 is a wasteful number, since it uses less digits than its factorization.

166493067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 166493067 is about 12903.2192494741. The cubic root of 166493067 is about 550.1300706143.

The spelling of 166493067 in words is "one hundred sixty-six million, four hundred ninety-three thousand, sixty-seven".

Divisors: 1 3 13 19 23 39 57 69 247 299 437 741 897 1311 5681 9769 17043 29307 126997 185611 224687 380991 556833 674061 2412943 2920931 4269053 7238829 8762793 12807159 55497689 166493067