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166114057 = 271612967
BaseRepresentation
bin10011110011010…
…11001100001001
3102120120110122111
421321223030021
5320011122212
624252222321
74054642354
oct1171531411
9376513574
10166114057
1185848a4a
124776a9a1
1328551655
14180c129b
15e8b3ea7
hex9e6b309

166114057 has 4 divisors (see below), whose sum is σ = 166727296. Its totient is φ = 165500820.

The previous prime is 166114051. The next prime is 166114061. The reversal of 166114057 is 750411661.

166114057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750411661 = 1674493483.

It is a cyclic number.

It is not a de Polignac number, because 166114057 - 23 = 166114049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166114051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306213 + ... + 306754.

It is an arithmetic number, because the mean of its divisors is an integer number (41681824).

Almost surely, 2166114057 is an apocalyptic number.

It is an amenable number.

166114057 is a deficient number, since it is larger than the sum of its proper divisors (613239).

166114057 is an equidigital number, since it uses as much as digits as its factorization.

166114057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613238.

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

The square root of 166114057 is about 12888.5242366999. The cubic root of 166114057 is about 549.7123090466.

The spelling of 166114057 in words is "one hundred sixty-six million, one hundred fourteen thousand, fifty-seven".

Divisors: 1 271 612967 166114057