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164128893216 = 2531709675971
BaseRepresentation
bin1001100011011011011…
…0000010100100100000
3120200122102110122200220
42120312312002210200
510142113444040331
6203222203443040
714600160400521
oct2306666024440
9520572418626
10164128893216
1163674532802
1227986526480
13126287aa0c2
147d3001a848
1544091c3296
hex2636d82920

164128893216 has 24 divisors (see below), whose sum is σ = 430838344944. Its totient is φ = 54709631040.

The previous prime is 164128893193. The next prime is 164128893259. The reversal of 164128893216 is 612398821461.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854837890 + ... + 854838081.

It is an arithmetic number, because the mean of its divisors is an integer number (17951597706).

Almost surely, 2164128893216 is an apocalyptic number.

164128893216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164128893216 is an abundant number, since it is smaller than the sum of its proper divisors (266709451728).

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

164128893216 is a wasteful number, since it uses less digits than its factorization.

164128893216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709675984 (or 1709675976 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The spelling of 164128893216 in words is "one hundred sixty-four billion, one hundred twenty-eight million, eight hundred ninety-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1709675971 3419351942 5129027913 6838703884 10258055826 13677407768 20516111652 27354815536 41032223304 54709631072 82064446608 164128893216