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166672 = 2411947
BaseRepresentation
bin101000101100010000
322110122001
4220230100
520313142
63323344
71262632
oct505420
9273561
10166672
11104250
1280554
135ab2c
1444a52
15345b7
hex28b10

166672 has 20 divisors (see below), whose sum is σ = 352656. Its totient is φ = 75680.

The previous prime is 166669. The next prime is 166679. The reversal of 166672 is 276661.

It is a self number, because there is not a number n which added to its sum of digits gives 166672.

It is not an unprimeable number, because it can be changed into a prime (166679) 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, 298 + ... + 649.

2166672 is an apocalyptic number.

It is an amenable number.

166672 is an abundant number, since it is smaller than the sum of its proper divisors (185984).

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

166672 is a wasteful number, since it uses less digits than its factorization.

166672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 960 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 166672 is about 408.2548223843. The cubic root of 166672 is about 55.0327078179.

It can be divided in two parts, 166 and 672, that added together give a palindrome (838).

The spelling of 166672 in words is "one hundred sixty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 947 1894 3788 7576 10417 15152 20834 41668 83336 166672