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66170066 = 266150053
BaseRepresentation
bin1111110001101…
…0110011010010
311121111210021012
43330122303102
5113414420231
610322130522
71432302434
oct374326322
9147453235
1066170066
1134395606
121a1b0a42
131092a4b1
148b06654
155c20e2b
hex3f1acd2

66170066 has 8 divisors (see below), whose sum is σ = 99407244. Its totient is φ = 33034320.

The previous prime is 66170059. The next prime is 66170081. The reversal of 66170066 is 66007166.

It can be written as a sum of positive squares in 2 ways, for example, as 52635025 + 13535041 = 7255^2 + 3679^2 .

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

It is a Curzon 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, 23705 + ... + 26348.

Almost surely, 266170066 is an apocalyptic number.

66170066 is a deficient number, since it is larger than the sum of its proper divisors (33237178).

66170066 is a wasteful number, since it uses less digits than its factorization.

66170066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50716.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 66170066 is about 8134.4985094350. The cubic root of 66170066 is about 404.4708142102.

The spelling of 66170066 in words is "sixty-six million, one hundred seventy thousand, sixty-six".

Divisors: 1 2 661 1322 50053 100106 33085033 66170066