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166166103 = 3471178483
BaseRepresentation
bin10011110011101…
…11111001010111
3102120200010001010
421321313321113
5320014303403
624253303303
74055250165
oct1171677127
9376603033
10166166103
1185884064
1247794b33
132856c24c
14180d6235
15e8c4603
hex9e77e57

166166103 has 8 divisors (see below), whose sum is σ = 226268928. Its totient is φ = 108420344.

The previous prime is 166166093. The next prime is 166166111. The reversal of 166166103 is 301661661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166166103 - 29 = 166165591 is a prime.

It is a super-2 number, since 2×1661661032 = 55222347572413218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166166113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589101 + ... + 589382.

It is an arithmetic number, because the mean of its divisors is an integer number (28283616).

Almost surely, 2166166103 is an apocalyptic number.

166166103 is a deficient number, since it is larger than the sum of its proper divisors (60102825).

166166103 is a wasteful number, since it uses less digits than its factorization.

166166103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178533.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 166166103 is about 12890.5431615584. The cubic root of 166166103 is about 549.7697140607.

The spelling of 166166103 in words is "one hundred sixty-six million, one hundred sixty-six thousand, one hundred three".

Divisors: 1 3 47 141 1178483 3535449 55388701 166166103