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166105118 = 21312232843
BaseRepresentation
bin10011110011010…
…01000000011110
3102120120000101102
421321221000132
5320010330433
624252113102
74054604324
oct1171510036
9376500342
10166105118
1185842263
1247765792
132854a56a
14180bbd14
15e8b14e8
hex9e6901e

166105118 has 16 divisors (see below), whose sum is σ = 252274176. Its totient is φ = 82020120.

The previous prime is 166105117. The next prime is 166105133. The reversal of 166105118 is 811501661.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166105111) 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 7 ways as a sum of consecutive naturals, for example, 57005 + ... + 59847.

It is an arithmetic number, because the mean of its divisors is an integer number (15767136).

Almost surely, 2166105118 is an apocalyptic number.

166105118 is a deficient number, since it is larger than the sum of its proper divisors (86169058).

166105118 is a wasteful number, since it uses less digits than its factorization.

166105118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 166105118 is about 12888.1774506716. The cubic root of 166105118 is about 549.7024484192.

Adding to 166105118 its reverse (811501661), we get a palindrome (977606779).

The spelling of 166105118 in words is "one hundred sixty-six million, one hundred five thousand, one hundred eighteen".

Divisors: 1 2 131 223 262 446 2843 5686 29213 58426 372433 633989 744866 1267978 83052559 166105118