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166146 = 2327691
BaseRepresentation
bin101000100100000010
322102220120
4220210002
520304041
63321110
71261251
oct504402
9272816
10166146
11103912
1280196
135a816
1444798
1534366
hex28902

166146 has 8 divisors (see below), whose sum is σ = 332304. Its totient is φ = 55380.

The previous prime is 166099. The next prime is 166147. The reversal of 166146 is 641661.

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

166146 is an admirable number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (166147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13840 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (41538).

2166146 is an apocalyptic number.

166146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166146 is a wasteful number, since it uses less digits than its factorization.

166146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27696.

The product of its digits is 864, while the sum is 24.

The square root of 166146 is about 407.6101078236. The cubic root of 166146 is about 54.9747542539.

The spelling of 166146 in words is "one hundred sixty-six thousand, one hundred forty-six".

Divisors: 1 2 3 6 27691 55382 83073 166146