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66066046 = 21711871637
BaseRepresentation
bin1111110000000…
…1011001111110
311121022111120121
43330001121332
5113403103141
610320005154
71431360244
oct374013176
9147274517
1066066046
1134324442
121a1607ba
13108c2047
148aba794
155c001d1
hex3f0167e

66066046 has 16 divisors (see below), whose sum is σ = 105080976. Its totient is φ = 31044736.

The previous prime is 66066043. The next prime is 66066073. The reversal of 66066046 is 64066066.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66066043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39540 + ... + 41176.

It is an arithmetic number, because the mean of its divisors is an integer number (6567561).

Almost surely, 266066046 is an apocalyptic number.

66066046 is a deficient number, since it is larger than the sum of its proper divisors (39014930).

66066046 is a wasteful number, since it uses less digits than its factorization.

66066046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 66066046 is about 8128.1022385302. The cubic root of 66066046 is about 404.2587590100.

The spelling of 66066046 in words is "sixty-six million, sixty-six thousand, forty-six", and thus it is an eban number.

Divisors: 1 2 17 34 1187 1637 2374 3274 20179 27829 40358 55658 1943119 3886238 33033023 66066046