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164071587808 = 2523534206101
BaseRepresentation
bin1001100011001101101…
…1011011111111100000
3120200111102122020110101
42120303123123333200
510142004311302213
6203212355312144
714565563325412
oct2306333337740
9520442566411
10164071587808
1163645152367
122796b2ab654
131261996478b
147d265809b2
154404153bdd
hex26336dbfe0

164071587808 has 48 divisors (see below), whose sum is σ = 343419816096. Its totient is φ = 76988454400.

The previous prime is 164071587791. The next prime is 164071587817. The reversal of 164071587808 is 808785170461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064043 + ... + 2142058.

It is an arithmetic number, because the mean of its divisors is an integer number (7154579502).

Almost surely, 2164071587808 is an apocalyptic number.

It is an amenable number.

164071587808 is an abundant number, since it is smaller than the sum of its proper divisors (179348228288).

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

164071587808 is a wasteful number, since it uses less digits than its factorization.

164071587808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206187 (or 4206179 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 164071587808 in words is "one hundred sixty-four billion, seventy-one million, five hundred eighty-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 23 32 46 53 92 106 184 212 368 424 736 848 1219 1696 2438 4876 9752 19504 39008 4206101 8412202 16824404 33648808 67297616 96740323 134595232 193480646 222923353 386961292 445846706 773922584 891693412 1547845168 1783386824 3095690336 3566773648 5127237119 7133547296 10254474238 20508948476 41017896952 82035793904 164071587808