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11656656166487 = 86332789411941
BaseRepresentation
bin1010100110100000011011…
…0110011001111001010111
31112021100212102002012022012
42221220012312121321113
53011440312434311422
640442554404054435
72312110543411313
oct251500666317127
945240772065265
1011656656166487
1137946185769a2
12138317a69441b
136672aab1ca17
142c4284162b43
1515333a4194e2
hexa9a06d99e57

11656656166487 has 8 divisors (see below), whose sum is σ = 11670547547520. Its totient is φ = 11642765676640.

The previous prime is 11656656166457. The next prime is 11656656166499. The reversal of 11656656166487 is 78466165665611.

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 11656656166487 - 26 = 11656656166423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656656166417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28090937 + ... + 28502877.

It is an arithmetic number, because the mean of its divisors is an integer number (1458818443440).

Almost surely, 211656656166487 is an apocalyptic number.

11656656166487 is a deficient number, since it is larger than the sum of its proper divisors (13891381033).

11656656166487 is an equidigital number, since it uses as much as digits as its factorization.

11656656166487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445593.

The product of its digits is 261273600, while the sum is 68.

The spelling of 11656656166487 in words is "eleven trillion, six hundred fifty-six billion, six hundred fifty-six million, one hundred sixty-six thousand, four hundred eighty-seven".