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164686016 = 2611449521
BaseRepresentation
bin10011101000011…
…10100011000000
3102110212220202002
421310032203000
5314124423031
624201443132
74036544105
oct1164164300
9373786662
10164686016
1184a63050
12471a04a8
1328171661
1417c2caac
15e6d0ccb
hex9d0e8c0

164686016 has 56 divisors (see below), whose sum is σ = 357987600. Its totient is φ = 74547200.

The previous prime is 164686009. The next prime is 164686019. The reversal of 164686016 is 610686461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164686019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315836 + ... + 316356.

Almost surely, 2164686016 is an apocalyptic number.

164686016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164686016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178993800).

164686016 is an abundant number, since it is smaller than the sum of its proper divisors (193301584).

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

164686016 is a wasteful number, since it uses less digits than its factorization.

164686016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 164686016 is about 12833.0049481795. The cubic root of 164686016 is about 548.1325269543.

The spelling of 164686016 in words is "one hundred sixty-four million, six hundred eighty-six thousand, sixteen".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 449 521 704 898 1042 1796 2084 3592 4168 4939 5731 7184 8336 9878 11462 14368 16672 19756 22924 28736 33344 39512 45848 79024 91696 158048 183392 233929 316096 366784 467858 935716 1871432 2573219 3742864 5146438 7485728 10292876 14971456 20585752 41171504 82343008 164686016