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165960416 = 255186263
BaseRepresentation
bin10011110010001…
…01101011100000
3102120021122220002
421321011223200
5314441213131
624245035132
74053432416
oct1171055340
9376248802
10165960416
1185753576
12476b5aa8
13284c973b
14180812b6
15e8836cb
hex9e45ae0

165960416 has 12 divisors (see below), whose sum is σ = 326734632. Its totient is φ = 82980192.

The previous prime is 165960401. The next prime is 165960427. The reversal of 165960416 is 614069561.

It is a self number, because there is not a number n which added to its sum of digits gives 165960416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593100 + ... + 2593163.

It is an arithmetic number, because the mean of its divisors is an integer number (27227886).

Almost surely, 2165960416 is an apocalyptic number.

165960416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165960416 is a deficient number, since it is larger than the sum of its proper divisors (160774216).

165960416 is an equidigital number, since it uses as much as digits as its factorization.

165960416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186273 (or 5186265 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 165960416 is about 12882.5624780166. The cubic root of 165960416 is about 549.5427781378.

The spelling of 165960416 in words is "one hundred sixty-five million, nine hundred sixty thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 5186263 10372526 20745052 41490104 82980208 165960416