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166415107 = 7314891531
BaseRepresentation
bin10011110101101…
…00101100000011
3102121010202121111
421322310230003
5320100240412
624302504151
74060335145
oct1172645403
9377122544
10166415107
1185a34151
1247895057
13286286a1
141815cc95
15e9232a7
hex9eb4b03

166415107 has 8 divisors (see below), whose sum is σ = 168918320. Its totient is φ = 163918080.

The previous prime is 166415077. The next prime is 166415111. The reversal of 166415107 is 701514661.

166415107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166415107 - 219 = 165890819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166415507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107932 + ... + 109462.

It is an arithmetic number, because the mean of its divisors is an integer number (21114790).

Almost surely, 2166415107 is an apocalyptic number.

166415107 is a deficient number, since it is larger than the sum of its proper divisors (2503213).

166415107 is a wasteful number, since it uses less digits than its factorization.

166415107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 166415107 is about 12900.1979442178. The cubic root of 166415107 is about 550.0441914905.

Adding to 166415107 its reverse (701514661), we get a palindrome (867929768).

The spelling of 166415107 in words is "one hundred sixty-six million, four hundred fifteen thousand, one hundred seven".

Divisors: 1 73 1489 1531 108697 111763 2279659 166415107