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16606622652 = 2231781405013
BaseRepresentation
bin11110111011101010…
…01111001110111100
31120212100021211122020
433131311033032330
5233002243411102
611343505320140
71125345651324
oct173565171674
946770254566
1016606622652
117052007434
123275636050
131748660349
14b37760284
15672dc0bbc
hex3ddd4f3bc

16606622652 has 24 divisors (see below), whose sum is σ = 41028127056. Its totient is φ = 5209920768.

The previous prime is 16606622639. The next prime is 16606622731. The reversal of 16606622652 is 25622660661.

It is a congruent number.

It is an unprimeable number.

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, 40702303 + ... + 40702710.

It is an arithmetic number, because the mean of its divisors is an integer number (1709505294).

Almost surely, 216606622652 is an apocalyptic number.

16606622652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16606622652 is an abundant number, since it is smaller than the sum of its proper divisors (24421504404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16606622652 is a wasteful number, since it uses less digits than its factorization.

16606622652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81405037 (or 81405035 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 16606622652 in words is "sixteen billion, six hundred six million, six hundred twenty-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 81405013 162810026 244215039 325620052 488430078 976860156 1383885221 2767770442 4151655663 5535540884 8303311326 16606622652