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168949166 = 2587143909
BaseRepresentation
bin10100001000111…
…11010110101110
3102202220111200112
422010133112232
5321222333131
624433100022
74121021111
oct1204372656
9382814615
10168949166
1187405011
12486b7612
1329004c29
141861c578
15ec7402b
hexa11f5ae

168949166 has 8 divisors (see below), whose sum is σ = 253857240. Its totient is φ = 84330088.

The previous prime is 168949147. The next prime is 168949171. The reversal of 168949166 is 661949861.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70781 + ... + 73128.

It is an arithmetic number, because the mean of its divisors is an integer number (31732155).

Almost surely, 2168949166 is an apocalyptic number.

168949166 is a deficient number, since it is larger than the sum of its proper divisors (84908074).

168949166 is a wasteful number, since it uses less digits than its factorization.

168949166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144498.

The product of its digits is 559872, while the sum is 50.

The square root of 168949166 is about 12998.0446991076. The cubic root of 168949166 is about 552.8220419354.

The spelling of 168949166 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred sixty-six".

Divisors: 1 2 587 1174 143909 287818 84474583 168949166