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166122103 = 73974993
BaseRepresentation
bin10011110011011…
…01001001110111
3102120120212200111
421321231021313
5320011401403
624252323451
74055005000
oct1171551167
9376525614
10166122103
1185853aa4
1247773587
1328555204
14180c41a7
15e8b656d
hex9e6d277

166122103 has 16 divisors (see below), whose sum is σ = 195764800. Its totient is φ = 140894208.

The previous prime is 166122083. The next prime is 166122107. The reversal of 166122103 is 301221661.

It is not a de Polignac number, because 166122103 - 25 = 166122071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166122107) 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 15 ways as a sum of consecutive naturals, for example, 30775 + ... + 35767.

It is an arithmetic number, because the mean of its divisors is an integer number (12235300).

Almost surely, 2166122103 is an apocalyptic number.

166122103 is a deficient number, since it is larger than the sum of its proper divisors (29642697).

166122103 is an frugal number, since it uses more digits than its factorization.

166122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 166122103 is about 12888.8363710616. The cubic root of 166122103 is about 549.7211843015.

Adding to 166122103 its reverse (301221661), we get a palindrome (467343764).

The spelling of 166122103 in words is "one hundred sixty-six million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 7 49 97 343 679 4753 4993 33271 34951 244657 484321 1712599 3390247 23731729 166122103