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161206016 = 28629711
BaseRepresentation
bin10011001101111…
…00111100000000
3102020100010002012
421212330330000
5312232043031
623555112052
73665141246
oct1146747400
9366303065
10161206016
1182aa6514
1245ba2628
132752369a
14175a4796
15e244b2b
hex99bcf00

161206016 has 18 divisors (see below), whose sum is σ = 321782832. Its totient is φ = 80602880.

The previous prime is 161205881. The next prime is 161206027. The reversal of 161206016 is 610602161.

It is a junction number, because it is equal to n+sod(n) for n = 161205982 and 161206000.

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, 314600 + ... + 315111.

It is an arithmetic number, because the mean of its divisors is an integer number (17876824).

Almost surely, 2161206016 is an apocalyptic number.

161206016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161206016 is a deficient number, since it is larger than the sum of its proper divisors (160576816).

161206016 is an frugal number, since it uses more digits than its factorization.

161206016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629727 (or 629713 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 161206016 is about 12696.6931127755. The cubic root of 161206016 is about 544.2441234190.

Adding to 161206016 its reverse (610602161), we get a palindrome (771808177).

The spelling of 161206016 in words is "one hundred sixty-one million, two hundred six thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 629711 1259422 2518844 5037688 10075376 20150752 40301504 80603008 161206016