Search a number
-
+
66710866418353 = 1631223334643597
BaseRepresentation
bin11110010101100010101010…
…11111101101101010110001
322202012111101222111201021101
433022301111133231222301
532220442323300341403
6353514314323524401
720023462313340253
oct1712612537555261
9282174358451241
1066710866418353
111a28aa12a43093
12759501a229701
132b2ba66701a61
141268b74a87cd3
157aa481a9771d
hex3cac557edab1

66710866418353 has 8 divisors (see below), whose sum is σ = 67175017288128. Its totient is φ = 66247384838544.

The previous prime is 66710866418327. The next prime is 66710866418363. The reversal of 66710866418353 is 35381466801766.

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 66710866418353 - 229 = 66710329547441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66710866418363) 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, 167122450 + ... + 167521147.

It is an arithmetic number, because the mean of its divisors is an integer number (8396877161016).

Almost surely, 266710866418353 is an apocalyptic number.

It is an amenable number.

66710866418353 is a deficient number, since it is larger than the sum of its proper divisors (464150869775).

66710866418353 is a wasteful number, since it uses less digits than its factorization.

66710866418353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334644983.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 66710866418353 in words is "sixty-six trillion, seven hundred ten billion, eight hundred sixty-six million, four hundred eighteen thousand, three hundred fifty-three".

Divisors: 1 163 1223 199349 334643597 54546906311 409269119131 66710866418353