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66063083669 = 1143139668253
BaseRepresentation
bin111101100001101010…
…101010100010010101
320022112001100100221122
4331201222222202111
52040244122134134
650203213053325
74526050642322
oct754152524225
9208461310848
1066063083669
1126020985610
1210978487245
1362ca91266b
1432a9c03b49
151ab9b9c02e
hexf61aaa895

66063083669 has 8 divisors (see below), whose sum is σ = 73744838112. Its totient is φ = 58660665840.

The previous prime is 66063083663. The next prime is 66063083711. The reversal of 66063083669 is 96638036066.

66063083669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 66063083669 - 28 = 66063083413 is a prime.

It is a super-2 number, since 2×660630836692 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66063083669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66063083663) 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, 69833654 + ... + 69834599.

It is an arithmetic number, because the mean of its divisors is an integer number (9218104764).

Almost surely, 266063083669 is an apocalyptic number.

It is an amenable number.

66063083669 is a deficient number, since it is larger than the sum of its proper divisors (7681754443).

66063083669 is a wasteful number, since it uses less digits than its factorization.

66063083669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139668307.

The product of its (nonzero) digits is 5038848, while the sum is 53.

The spelling of 66063083669 in words is "sixty-six billion, sixty-three million, eighty-three thousand, six hundred sixty-nine".

Divisors: 1 11 43 473 139668253 1536350783 6005734879 66063083669